19695859300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{2153}}^1$

素因数の和:2438

約数の個数: 144

約数和(自身を含む): 47743944192

約数和(自身を除く): 28048084892

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 227, 260, 310, 325, 403, 454, 620, 650, 775, 806, 908, 1135, 1300, 1550, 1612, 2015, 2153, 2270, 2951, 3100, 4030, 4306, 4540, 5675, 5902, 7037, 8060, 8612, 10075, 10765, 11350, 11804, 14074, 14755, 20150, 21530, 22700, 27989, 28148, 29510, 35185, 40300, 43060, 53825, 55978, 59020, 66743, 70370, 73775, 91481, 107650, 111956, 133486, 139945, 140740, 147550, 175925, 182962, 215300, 266972, 279890, 295100, 333715, 351850, 365924, 457405, 488731, 559780, 667430, 699725, 703700, 867659, 914810, 977462, 1334860, 1399450, 1668575, 1735318, 1829620, 1954924, 2287025, 2443655, 2798900, 3337150, 3470636, 4338295, 4574050, 4887310, 6353503, 6674300, 8676590, 9148100, 9774620, 12218275, 12707006, 15150661, 17353180, 21691475, 24436550, 25414012, 30301322, 31767515, 43382950, 48873100, 60602644, 63535030, 75753305, 86765900, 127070060, 151506610, 158837575, 196958593, 303013220, 317675150, 378766525, 393917186, 635350300, 757533050, 787834372, 984792965, 1515066100, 1969585930, 3939171860, 4923964825, 9847929650, 19695859300]

約数ペア:

[(1, 19695859300), (2, 9847929650), (4, 4923964825), (5, 3939171860), (10, 1969585930), (13, 1515066100), (20, 984792965), (25, 787834372), (26, 757533050), (31, 635350300), (50, 393917186), (52, 378766525), (62, 317675150), (65, 303013220), (100, 196958593), (124, 158837575), (130, 151506610), (155, 127070060), (227, 86765900), (260, 75753305), (310, 63535030), (325, 60602644), (403, 48873100), (454, 43382950), (620, 31767515), (650, 30301322), (775, 25414012), (806, 24436550), (908, 21691475), (1135, 17353180), (1300, 15150661), (1550, 12707006), (1612, 12218275), (2015, 9774620), (2153, 9148100), (2270, 8676590), (2951, 6674300), (3100, 6353503), (4030, 4887310), (4306, 4574050), (4540, 4338295), (5675, 3470636), (5902, 3337150), (7037, 2798900), (8060, 2443655), (8612, 2287025), (10075, 1954924), (10765, 1829620), (11350, 1735318), (11804, 1668575), (14074, 1399450), (14755, 1334860), (20150, 977462), (21530, 914810), (22700, 867659), (27989, 703700), (28148, 699725), (29510, 667430), (35185, 559780), (40300, 488731), (43060, 457405), (53825, 365924), (55978, 351850), (59020, 333715), (66743, 295100), (70370, 279890), (73775, 266972), (91481, 215300), (107650, 182962), (111956, 175925), (133486, 147550), (139945, 140740)]