31408996970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{839}}^1$

素因数の和:1120

約数の個数: 128

約数和(自身を含む): 64415070720

約数和(自身を除く): 33006073750

約数列:

[1, 2, 5, 10, 13, 26, 37, 43, 65, 74, 86, 130, 181, 185, 215, 362, 370, 430, 481, 559, 839, 905, 962, 1118, 1591, 1678, 1810, 2353, 2405, 2795, 3182, 4195, 4706, 4810, 5590, 6697, 7783, 7955, 8390, 10907, 11765, 13394, 15566, 15910, 20683, 21814, 23530, 31043, 33485, 36077, 38915, 41366, 54535, 62086, 66970, 72154, 77830, 87061, 101179, 103415, 109070, 151859, 155215, 174122, 180385, 202358, 206830, 287971, 303718, 310430, 360770, 403559, 435305, 469001, 505895, 575942, 759295, 807118, 870610, 938002, 1011790, 1334849, 1439855, 1518590, 1974167, 2017795, 2345005, 2669698, 2879710, 3743623, 3948334, 4035590, 4690010, 5618783, 6529937, 6674245, 7487246, 9870835, 11237566, 13059874, 13348490, 17353037, 18718115, 19741670, 28093915, 32649685, 34706074, 37436230, 56187830, 65299370, 73044179, 84889181, 86765185, 146088358, 169778362, 173530370, 241607669, 365220895, 424445905, 483215338, 730441790, 848891810, 1208038345, 2416076690, 3140899697, 6281799394, 15704498485, 31408996970]

約数ペア:

[(1, 31408996970), (2, 15704498485), (5, 6281799394), (10, 3140899697), (13, 2416076690), (26, 1208038345), (37, 848891810), (43, 730441790), (65, 483215338), (74, 424445905), (86, 365220895), (130, 241607669), (181, 173530370), (185, 169778362), (215, 146088358), (362, 86765185), (370, 84889181), (430, 73044179), (481, 65299370), (559, 56187830), (839, 37436230), (905, 34706074), (962, 32649685), (1118, 28093915), (1591, 19741670), (1678, 18718115), (1810, 17353037), (2353, 13348490), (2405, 13059874), (2795, 11237566), (3182, 9870835), (4195, 7487246), (4706, 6674245), (4810, 6529937), (5590, 5618783), (6697, 4690010), (7783, 4035590), (7955, 3948334), (8390, 3743623), (10907, 2879710), (11765, 2669698), (13394, 2345005), (15566, 2017795), (15910, 1974167), (20683, 1518590), (21814, 1439855), (23530, 1334849), (31043, 1011790), (33485, 938002), (36077, 870610), (38915, 807118), (41366, 759295), (54535, 575942), (62086, 505895), (66970, 469001), (72154, 435305), (77830, 403559), (87061, 360770), (101179, 310430), (103415, 303718), (109070, 287971), (151859, 206830), (155215, 202358), (174122, 180385)]