20131843700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{1279}}^1$

素因数の和:1554

約数の個数: 144

約数和(自身を含む): 47516958720

約数和(自身を除く): 27385115020

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 47, 50, 68, 85, 94, 100, 170, 188, 197, 235, 340, 394, 425, 470, 788, 799, 850, 940, 985, 1175, 1279, 1598, 1700, 1970, 2350, 2558, 3196, 3349, 3940, 3995, 4700, 4925, 5116, 6395, 6698, 7990, 9259, 9850, 12790, 13396, 15980, 16745, 18518, 19700, 19975, 21743, 25580, 31975, 33490, 37036, 39950, 43486, 46295, 60113, 63950, 66980, 79900, 83725, 86972, 92590, 108715, 120226, 127900, 157403, 167450, 185180, 217430, 231475, 240452, 251963, 300565, 314806, 334900, 434860, 462950, 503926, 543575, 601130, 629612, 787015, 925900, 1007852, 1021921, 1087150, 1202260, 1259815, 1502825, 1574030, 2043842, 2174300, 2519630, 3005650, 3148060, 3935075, 4087684, 4283371, 5039260, 5109605, 6011300, 6299075, 7870150, 8566742, 10219210, 11842261, 12598150, 15740300, 17133484, 20438420, 21416855, 23684522, 25196300, 25548025, 42833710, 47369044, 51096050, 59211305, 85667420, 102192100, 107084275, 118422610, 201318437, 214168550, 236845220, 296056525, 402636874, 428337100, 592113050, 805273748, 1006592185, 1184226100, 2013184370, 4026368740, 5032960925, 10065921850, 20131843700]

約数ペア:

[(1, 20131843700), (2, 10065921850), (4, 5032960925), (5, 4026368740), (10, 2013184370), (17, 1184226100), (20, 1006592185), (25, 805273748), (34, 592113050), (47, 428337100), (50, 402636874), (68, 296056525), (85, 236845220), (94, 214168550), (100, 201318437), (170, 118422610), (188, 107084275), (197, 102192100), (235, 85667420), (340, 59211305), (394, 51096050), (425, 47369044), (470, 42833710), (788, 25548025), (799, 25196300), (850, 23684522), (940, 21416855), (985, 20438420), (1175, 17133484), (1279, 15740300), (1598, 12598150), (1700, 11842261), (1970, 10219210), (2350, 8566742), (2558, 7870150), (3196, 6299075), (3349, 6011300), (3940, 5109605), (3995, 5039260), (4700, 4283371), (4925, 4087684), (5116, 3935075), (6395, 3148060), (6698, 3005650), (7990, 2519630), (9259, 2174300), (9850, 2043842), (12790, 1574030), (13396, 1502825), (15980, 1259815), (16745, 1202260), (18518, 1087150), (19700, 1021921), (19975, 1007852), (21743, 925900), (25580, 787015), (31975, 629612), (33490, 601130), (37036, 543575), (39950, 503926), (43486, 462950), (46295, 434860), (60113, 334900), (63950, 314806), (66980, 300565), (79900, 251963), (83725, 240452), (86972, 231475), (92590, 217430), (108715, 185180), (120226, 167450), (127900, 157403)]