28937151620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2029}}^1\times {\mathrm{2887}}^1$

素因数の和:4957

約数の個数: 96

約数和(自身を含む): 68944646400

約数和(自身を除く): 40007494780

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2029, 2470, 2887, 4058, 4940, 5774, 8116, 10145, 11548, 14435, 20290, 26377, 28870, 37531, 38551, 40580, 52754, 54853, 57740, 75062, 77102, 105508, 109706, 131885, 150124, 154204, 187655, 192755, 219412, 263770, 274265, 375310, 385510, 501163, 527540, 548530, 713089, 750620, 771020, 1002326, 1097060, 1426178, 2004652, 2505815, 2852356, 3565445, 5011630, 5857723, 7130890, 10023260, 11715446, 14261780, 23430892, 29288615, 58577230, 76150399, 111296737, 117154460, 152300798, 222593474, 304601596, 380751995, 445186948, 556483685, 761503990, 1112967370, 1446857581, 1523007980, 2225934740, 2893715162, 5787430324, 7234287905, 14468575810, 28937151620]

約数ペア:

[(1, 28937151620), (2, 14468575810), (4, 7234287905), (5, 5787430324), (10, 2893715162), (13, 2225934740), (19, 1523007980), (20, 1446857581), (26, 1112967370), (38, 761503990), (52, 556483685), (65, 445186948), (76, 380751995), (95, 304601596), (130, 222593474), (190, 152300798), (247, 117154460), (260, 111296737), (380, 76150399), (494, 58577230), (988, 29288615), (1235, 23430892), (2029, 14261780), (2470, 11715446), (2887, 10023260), (4058, 7130890), (4940, 5857723), (5774, 5011630), (8116, 3565445), (10145, 2852356), (11548, 2505815), (14435, 2004652), (20290, 1426178), (26377, 1097060), (28870, 1002326), (37531, 771020), (38551, 750620), (40580, 713089), (52754, 548530), (54853, 527540), (57740, 501163), (75062, 385510), (77102, 375310), (105508, 274265), (109706, 263770), (131885, 219412), (150124, 192755), (154204, 187655)]