2019901020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:516

約数の個数: 192

約数和(自身を含む): 6144284160

約数和(自身を除く): 4124383140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 53, 57, 60, 76, 95, 101, 106, 114, 159, 190, 202, 212, 228, 265, 285, 303, 318, 331, 380, 404, 505, 530, 570, 606, 636, 662, 795, 993, 1007, 1010, 1060, 1140, 1212, 1324, 1515, 1590, 1655, 1919, 1986, 2014, 2020, 3021, 3030, 3180, 3310, 3838, 3972, 4028, 4965, 5035, 5353, 5757, 6042, 6060, 6289, 6620, 7676, 9595, 9930, 10070, 10706, 11514, 12084, 12578, 15105, 16059, 17543, 18867, 19190, 19860, 20140, 21412, 23028, 25156, 26765, 28785, 30210, 31445, 32118, 33431, 35086, 37734, 38380, 52629, 53530, 57570, 60420, 62890, 64236, 66862, 70172, 75468, 80295, 87715, 94335, 100293, 101707, 105258, 107060, 115140, 125780, 133724, 160590, 167155, 175430, 188670, 200586, 203414, 210516, 263145, 305121, 321180, 333317, 334310, 350860, 377340, 401172, 406828, 501465, 508535, 526290, 610242, 635189, 666634, 668620, 999951, 1002930, 1017070, 1052580, 1220484, 1270378, 1333268, 1525605, 1666585, 1771843, 1905567, 1999902, 2005860, 2034140, 2540756, 3051210, 3175945, 3333170, 3543686, 3811134, 3999804, 4999755, 5315529, 6102420, 6351890, 6666340, 7087372, 7622268, 8859215, 9527835, 9999510, 10631058, 12703780, 17718430, 19055670, 19999020, 21262116, 26577645, 33665017, 35436860, 38111340, 53155290, 67330034, 100995051, 106310580, 134660068, 168325085, 201990102, 336650170, 403980204, 504975255, 673300340, 1009950510, 2019901020]

約数ペア:

[(1, 2019901020), (2, 1009950510), (3, 673300340), (4, 504975255), (5, 403980204), (6, 336650170), (10, 201990102), (12, 168325085), (15, 134660068), (19, 106310580), (20, 100995051), (30, 67330034), (38, 53155290), (53, 38111340), (57, 35436860), (60, 33665017), (76, 26577645), (95, 21262116), (101, 19999020), (106, 19055670), (114, 17718430), (159, 12703780), (190, 10631058), (202, 9999510), (212, 9527835), (228, 8859215), (265, 7622268), (285, 7087372), (303, 6666340), (318, 6351890), (331, 6102420), (380, 5315529), (404, 4999755), (505, 3999804), (530, 3811134), (570, 3543686), (606, 3333170), (636, 3175945), (662, 3051210), (795, 2540756), (993, 2034140), (1007, 2005860), (1010, 1999902), (1060, 1905567), (1140, 1771843), (1212, 1666585), (1324, 1525605), (1515, 1333268), (1590, 1270378), (1655, 1220484), (1919, 1052580), (1986, 1017070), (2014, 1002930), (2020, 999951), (3021, 668620), (3030, 666634), (3180, 635189), (3310, 610242), (3838, 526290), (3972, 508535), (4028, 501465), (4965, 406828), (5035, 401172), (5353, 377340), (5757, 350860), (6042, 334310), (6060, 333317), (6289, 321180), (6620, 305121), (7676, 263145), (9595, 210516), (9930, 203414), (10070, 200586), (10706, 188670), (11514, 175430), (12084, 167155), (12578, 160590), (15105, 133724), (16059, 125780), (17543, 115140), (18867, 107060), (19190, 105258), (19860, 101707), (20140, 100293), (21412, 94335), (23028, 87715), (25156, 80295), (26765, 75468), (28785, 70172), (30210, 66862), (31445, 64236), (32118, 62890), (33431, 60420), (35086, 57570), (37734, 53530), (38380, 52629)]