209900340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{331}}^1$

素因数の和:630

約数の個数: 144

約数和(自身を含む): 690283776

約数和(自身を除く): 480383436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 271, 331, 390, 468, 542, 585, 662, 780, 813, 993, 1084, 1170, 1324, 1355, 1626, 1655, 1986, 2340, 2439, 2710, 2979, 3252, 3310, 3523, 3972, 4065, 4303, 4878, 4965, 5420, 5958, 6620, 7046, 8130, 8606, 9756, 9930, 10569, 11916, 12195, 12909, 14092, 14895, 16260, 17212, 17615, 19860, 21138, 21515, 24390, 25818, 29790, 31707, 35230, 38727, 42276, 43030, 48780, 51636, 52845, 59580, 63414, 64545, 70460, 77454, 86060, 89701, 105690, 126828, 129090, 154908, 158535, 179402, 193635, 211380, 258180, 269103, 317070, 358804, 387270, 448505, 538206, 634140, 774540, 807309, 897010, 1076412, 1166113, 1345515, 1614618, 1794020, 2332226, 2691030, 3229236, 3498339, 4036545, 4664452, 5382060, 5830565, 6996678, 8073090, 10495017, 11661130, 13993356, 16146180, 17491695, 20990034, 23322260, 34983390, 41980068, 52475085, 69966780, 104950170, 209900340]

約数ペア:

[(1, 209900340), (2, 104950170), (3, 69966780), (4, 52475085), (5, 41980068), (6, 34983390), (9, 23322260), (10, 20990034), (12, 17491695), (13, 16146180), (15, 13993356), (18, 11661130), (20, 10495017), (26, 8073090), (30, 6996678), (36, 5830565), (39, 5382060), (45, 4664452), (52, 4036545), (60, 3498339), (65, 3229236), (78, 2691030), (90, 2332226), (117, 1794020), (130, 1614618), (156, 1345515), (180, 1166113), (195, 1076412), (234, 897010), (260, 807309), (271, 774540), (331, 634140), (390, 538206), (468, 448505), (542, 387270), (585, 358804), (662, 317070), (780, 269103), (813, 258180), (993, 211380), (1084, 193635), (1170, 179402), (1324, 158535), (1355, 154908), (1626, 129090), (1655, 126828), (1986, 105690), (2340, 89701), (2439, 86060), (2710, 77454), (2979, 70460), (3252, 64545), (3310, 63414), (3523, 59580), (3972, 52845), (4065, 51636), (4303, 48780), (4878, 43030), (4965, 42276), (5420, 38727), (5958, 35230), (6620, 31707), (7046, 29790), (8130, 25818), (8606, 24390), (9756, 21515), (9930, 21138), (10569, 19860), (11916, 17615), (12195, 17212), (12909, 16260), (14092, 14895)]