138991020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:228

約数の個数: 192

約数和(自身を含む): 464486400

約数和(自身を除く): 325495380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 59, 60, 70, 71, 79, 84, 105, 118, 140, 142, 158, 177, 210, 213, 236, 237, 284, 295, 316, 354, 355, 395, 413, 420, 426, 474, 497, 553, 590, 708, 710, 790, 826, 852, 885, 948, 994, 1065, 1106, 1180, 1185, 1239, 1420, 1491, 1580, 1652, 1659, 1770, 1988, 2065, 2130, 2212, 2370, 2478, 2485, 2765, 2982, 3318, 3540, 4130, 4189, 4260, 4661, 4740, 4956, 4970, 5530, 5609, 5964, 6195, 6636, 7455, 8260, 8295, 8378, 9322, 9940, 11060, 11218, 12390, 12567, 13983, 14910, 16590, 16756, 16827, 18644, 20945, 22436, 23305, 24780, 25134, 27966, 28045, 29323, 29820, 32627, 33180, 33654, 39263, 41890, 46610, 50268, 55932, 56090, 58646, 62835, 65254, 67308, 69915, 78526, 83780, 84135, 87969, 93220, 97881, 112180, 117292, 117789, 125670, 130508, 139830, 146615, 157052, 163135, 168270, 175938, 195762, 196315, 235578, 251340, 279660, 293230, 326270, 330931, 336540, 351876, 391524, 392630, 439845, 471156, 489405, 586460, 588945, 652540, 661862, 785260, 879690, 978810, 992793, 1177890, 1323724, 1654655, 1759380, 1957620, 1985586, 2316517, 2355780, 3309310, 3971172, 4633034, 4963965, 6618620, 6949551, 9266068, 9927930, 11582585, 13899102, 19855860, 23165170, 27798204, 34747755, 46330340, 69495510, 138991020]

約数ペア:

[(1, 138991020), (2, 69495510), (3, 46330340), (4, 34747755), (5, 27798204), (6, 23165170), (7, 19855860), (10, 13899102), (12, 11582585), (14, 9927930), (15, 9266068), (20, 6949551), (21, 6618620), (28, 4963965), (30, 4633034), (35, 3971172), (42, 3309310), (59, 2355780), (60, 2316517), (70, 1985586), (71, 1957620), (79, 1759380), (84, 1654655), (105, 1323724), (118, 1177890), (140, 992793), (142, 978810), (158, 879690), (177, 785260), (210, 661862), (213, 652540), (236, 588945), (237, 586460), (284, 489405), (295, 471156), (316, 439845), (354, 392630), (355, 391524), (395, 351876), (413, 336540), (420, 330931), (426, 326270), (474, 293230), (497, 279660), (553, 251340), (590, 235578), (708, 196315), (710, 195762), (790, 175938), (826, 168270), (852, 163135), (885, 157052), (948, 146615), (994, 139830), (1065, 130508), (1106, 125670), (1180, 117789), (1185, 117292), (1239, 112180), (1420, 97881), (1491, 93220), (1580, 87969), (1652, 84135), (1659, 83780), (1770, 78526), (1988, 69915), (2065, 67308), (2130, 65254), (2212, 62835), (2370, 58646), (2478, 56090), (2485, 55932), (2765, 50268), (2982, 46610), (3318, 41890), (3540, 39263), (4130, 33654), (4189, 33180), (4260, 32627), (4661, 29820), (4740, 29323), (4956, 28045), (4970, 27966), (5530, 25134), (5609, 24780), (5964, 23305), (6195, 22436), (6636, 20945), (7455, 18644), (8260, 16827), (8295, 16756), (8378, 16590), (9322, 14910), (9940, 13983), (11060, 12567), (11218, 12390)]