2018925580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1\times {\mathrm{659}}^1$

素因数の和:1031

約数の個数: 96

約数和(自身を含む): 4931942400

約数和(自身を除く): 2913016820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 277, 316, 395, 553, 554, 659, 790, 1106, 1108, 1318, 1385, 1580, 1939, 2212, 2636, 2765, 2770, 3295, 3878, 4613, 5530, 5540, 6590, 7756, 9226, 9695, 11060, 13180, 18452, 19390, 21883, 23065, 38780, 43766, 46130, 52061, 87532, 92260, 104122, 109415, 153181, 182543, 208244, 218830, 260305, 306362, 364427, 365086, 437660, 520610, 612724, 728854, 730172, 765905, 912715, 1041220, 1277801, 1457708, 1531810, 1822135, 1825430, 2555602, 3063620, 3644270, 3650860, 5111204, 6389005, 7288540, 12778010, 14420897, 25556020, 28841794, 57683588, 72104485, 100946279, 144208970, 201892558, 288417940, 403785116, 504731395, 1009462790, 2018925580]

約数ペア:

[(1, 2018925580), (2, 1009462790), (4, 504731395), (5, 403785116), (7, 288417940), (10, 201892558), (14, 144208970), (20, 100946279), (28, 72104485), (35, 57683588), (70, 28841794), (79, 25556020), (140, 14420897), (158, 12778010), (277, 7288540), (316, 6389005), (395, 5111204), (553, 3650860), (554, 3644270), (659, 3063620), (790, 2555602), (1106, 1825430), (1108, 1822135), (1318, 1531810), (1385, 1457708), (1580, 1277801), (1939, 1041220), (2212, 912715), (2636, 765905), (2765, 730172), (2770, 728854), (3295, 612724), (3878, 520610), (4613, 437660), (5530, 365086), (5540, 364427), (6590, 306362), (7756, 260305), (9226, 218830), (9695, 208244), (11060, 182543), (13180, 153181), (18452, 109415), (19390, 104122), (21883, 92260), (23065, 87532), (38780, 52061), (43766, 46130)]