9187895420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1471}}^1$

素因数の和:1620

約数の個数: 144

約数和(自身を含む): 22200998400

約数和(自身を除く): 13013102980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 89, 110, 116, 121, 145, 178, 220, 242, 290, 319, 356, 445, 484, 580, 605, 638, 890, 979, 1210, 1276, 1471, 1595, 1780, 1958, 2420, 2581, 2942, 3190, 3509, 3916, 4895, 5162, 5884, 6380, 7018, 7355, 9790, 10324, 10769, 12905, 14036, 14710, 16181, 17545, 19580, 21538, 25810, 28391, 29420, 32362, 35090, 42659, 43076, 51620, 53845, 56782, 64724, 70180, 80905, 85318, 107690, 113564, 130919, 141955, 161810, 170636, 177991, 213295, 215380, 261838, 283910, 312301, 323620, 355982, 426590, 469249, 523676, 567820, 624602, 654595, 711964, 853180, 889955, 938498, 1249204, 1309190, 1440109, 1561505, 1779910, 1876996, 2346245, 2618380, 2880218, 3123010, 3559820, 3796651, 4692490, 5161739, 5760436, 6246020, 7200545, 7593302, 9384980, 10323478, 14401090, 15186604, 15841199, 18983255, 20646956, 25808695, 28802180, 31682398, 37966510, 41763161, 51617390, 63364796, 75933020, 79205995, 83526322, 103234780, 158411990, 167052644, 208815805, 316823980, 417631610, 459394771, 835263220, 918789542, 1837579084, 2296973855, 4593947710, 9187895420]

約数ペア:

[(1, 9187895420), (2, 4593947710), (4, 2296973855), (5, 1837579084), (10, 918789542), (11, 835263220), (20, 459394771), (22, 417631610), (29, 316823980), (44, 208815805), (55, 167052644), (58, 158411990), (89, 103234780), (110, 83526322), (116, 79205995), (121, 75933020), (145, 63364796), (178, 51617390), (220, 41763161), (242, 37966510), (290, 31682398), (319, 28802180), (356, 25808695), (445, 20646956), (484, 18983255), (580, 15841199), (605, 15186604), (638, 14401090), (890, 10323478), (979, 9384980), (1210, 7593302), (1276, 7200545), (1471, 6246020), (1595, 5760436), (1780, 5161739), (1958, 4692490), (2420, 3796651), (2581, 3559820), (2942, 3123010), (3190, 2880218), (3509, 2618380), (3916, 2346245), (4895, 1876996), (5162, 1779910), (5884, 1561505), (6380, 1440109), (7018, 1309190), (7355, 1249204), (9790, 938498), (10324, 889955), (10769, 853180), (12905, 711964), (14036, 654595), (14710, 624602), (16181, 567820), (17545, 523676), (19580, 469249), (21538, 426590), (25810, 355982), (28391, 323620), (29420, 312301), (32362, 283910), (35090, 261838), (42659, 215380), (43076, 213295), (51620, 177991), (53845, 170636), (56782, 161810), (64724, 141955), (70180, 130919), (80905, 113564), (85318, 107690)]