3998978830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4481}}^1$

素因数の和:4586

約数の個数: 128

約数和(自身を含む): 9603671040

約数和(自身を除く): 5604692210

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 61, 70, 77, 95, 110, 122, 133, 154, 190, 209, 266, 305, 385, 418, 427, 610, 665, 671, 770, 854, 1045, 1159, 1330, 1342, 1463, 2090, 2135, 2318, 2926, 3355, 4270, 4481, 4697, 5795, 6710, 7315, 8113, 8962, 9394, 11590, 12749, 14630, 16226, 22405, 23485, 25498, 31367, 40565, 44810, 46970, 49291, 62734, 63745, 81130, 85139, 89243, 98582, 127490, 156835, 170278, 178486, 246455, 273341, 313670, 345037, 425695, 446215, 492910, 546682, 595973, 690074, 851390, 892430, 936529, 1191946, 1366705, 1725185, 1873058, 1913387, 2733410, 2979865, 3006751, 3450370, 3826774, 4682645, 5193479, 5959730, 6013502, 6555703, 9365290, 9566935, 10386958, 13111406, 15033755, 19133870, 21047257, 25967395, 30067510, 32778515, 36354353, 42094514, 51934790, 57128269, 65557030, 72708706, 105236285, 114256538, 181771765, 210472570, 285641345, 363543530, 399897883, 571282690, 799795766, 1999489415, 3998978830]

約数ペア:

[(1, 3998978830), (2, 1999489415), (5, 799795766), (7, 571282690), (10, 399897883), (11, 363543530), (14, 285641345), (19, 210472570), (22, 181771765), (35, 114256538), (38, 105236285), (55, 72708706), (61, 65557030), (70, 57128269), (77, 51934790), (95, 42094514), (110, 36354353), (122, 32778515), (133, 30067510), (154, 25967395), (190, 21047257), (209, 19133870), (266, 15033755), (305, 13111406), (385, 10386958), (418, 9566935), (427, 9365290), (610, 6555703), (665, 6013502), (671, 5959730), (770, 5193479), (854, 4682645), (1045, 3826774), (1159, 3450370), (1330, 3006751), (1342, 2979865), (1463, 2733410), (2090, 1913387), (2135, 1873058), (2318, 1725185), (2926, 1366705), (3355, 1191946), (4270, 936529), (4481, 892430), (4697, 851390), (5795, 690074), (6710, 595973), (7315, 546682), (8113, 492910), (8962, 446215), (9394, 425695), (11590, 345037), (12749, 313670), (14630, 273341), (16226, 246455), (22405, 178486), (23485, 170278), (25498, 156835), (31367, 127490), (40565, 98582), (44810, 89243), (46970, 85139), (49291, 81130), (62734, 63745)]