2039808460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{631}}^1$

素因数の和:887

約数の個数: 96

約数和(自身を含む): 4637767680

約数和(自身を除く): 2597959220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 181, 188, 190, 235, 362, 380, 470, 631, 724, 893, 905, 940, 1262, 1786, 1810, 2524, 3155, 3439, 3572, 3620, 4465, 6310, 6878, 8507, 8930, 11989, 12620, 13756, 17014, 17195, 17860, 23978, 29657, 34028, 34390, 42535, 47956, 59314, 59945, 68780, 85070, 114211, 118628, 119890, 148285, 161633, 170140, 228422, 239780, 296570, 323266, 456844, 563483, 571055, 593140, 646532, 808165, 1126966, 1142110, 1616330, 2170009, 2253932, 2284220, 2817415, 3232660, 4340018, 5367917, 5634830, 8680036, 10735834, 10850045, 11269660, 21471668, 21700090, 26839585, 43400180, 53679170, 101990423, 107358340, 203980846, 407961692, 509952115, 1019904230, 2039808460]

約数ペア:

[(1, 2039808460), (2, 1019904230), (4, 509952115), (5, 407961692), (10, 203980846), (19, 107358340), (20, 101990423), (38, 53679170), (47, 43400180), (76, 26839585), (94, 21700090), (95, 21471668), (181, 11269660), (188, 10850045), (190, 10735834), (235, 8680036), (362, 5634830), (380, 5367917), (470, 4340018), (631, 3232660), (724, 2817415), (893, 2284220), (905, 2253932), (940, 2170009), (1262, 1616330), (1786, 1142110), (1810, 1126966), (2524, 808165), (3155, 646532), (3439, 593140), (3572, 571055), (3620, 563483), (4465, 456844), (6310, 323266), (6878, 296570), (8507, 239780), (8930, 228422), (11989, 170140), (12620, 161633), (13756, 148285), (17014, 119890), (17195, 118628), (17860, 114211), (23978, 85070), (29657, 68780), (34028, 59945), (34390, 59314), (42535, 47956)]