71493450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:237

約数の個数: 144

約数和(自身を含む): 210682944

約数和(自身を除く): 139189494

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 71, 75, 98, 105, 137, 142, 147, 150, 175, 210, 213, 245, 274, 294, 350, 355, 411, 426, 490, 497, 525, 685, 710, 735, 822, 959, 994, 1050, 1065, 1225, 1370, 1470, 1491, 1775, 1918, 2055, 2130, 2450, 2485, 2877, 2982, 3425, 3479, 3550, 3675, 4110, 4795, 4970, 5325, 5754, 6713, 6850, 6958, 7350, 7455, 9590, 9727, 10275, 10437, 10650, 12425, 13426, 14385, 14910, 17395, 19454, 20139, 20550, 20874, 23975, 24850, 28770, 29181, 33565, 34790, 37275, 40278, 47950, 48635, 52185, 58362, 67130, 68089, 71925, 74550, 86975, 97270, 100695, 104370, 136178, 143850, 145905, 167825, 173950, 201390, 204267, 243175, 260925, 291810, 335650, 340445, 408534, 476623, 486350, 503475, 521850, 680890, 729525, 953246, 1006950, 1021335, 1429869, 1459050, 1702225, 2042670, 2383115, 2859738, 3404450, 4766230, 5106675, 7149345, 10213350, 11915575, 14298690, 23831150, 35746725, 71493450]

約数ペア:

[(1, 71493450), (2, 35746725), (3, 23831150), (5, 14298690), (6, 11915575), (7, 10213350), (10, 7149345), (14, 5106675), (15, 4766230), (21, 3404450), (25, 2859738), (30, 2383115), (35, 2042670), (42, 1702225), (49, 1459050), (50, 1429869), (70, 1021335), (71, 1006950), (75, 953246), (98, 729525), (105, 680890), (137, 521850), (142, 503475), (147, 486350), (150, 476623), (175, 408534), (210, 340445), (213, 335650), (245, 291810), (274, 260925), (294, 243175), (350, 204267), (355, 201390), (411, 173950), (426, 167825), (490, 145905), (497, 143850), (525, 136178), (685, 104370), (710, 100695), (735, 97270), (822, 86975), (959, 74550), (994, 71925), (1050, 68089), (1065, 67130), (1225, 58362), (1370, 52185), (1470, 48635), (1491, 47950), (1775, 40278), (1918, 37275), (2055, 34790), (2130, 33565), (2450, 29181), (2485, 28770), (2877, 24850), (2982, 23975), (3425, 20874), (3479, 20550), (3550, 20139), (3675, 19454), (4110, 17395), (4795, 14910), (4970, 14385), (5325, 13426), (5754, 12425), (6713, 10650), (6850, 10437), (6958, 10275), (7350, 9727), (7455, 9590)]