397925360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:439

約数の個数: 160

約数和(自身を含む): 1124928000

約数和(自身を除く): 727002640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 149, 152, 190, 251, 266, 280, 298, 304, 380, 502, 532, 560, 596, 665, 745, 760, 1004, 1043, 1064, 1192, 1255, 1330, 1490, 1520, 1757, 2008, 2086, 2128, 2384, 2510, 2660, 2831, 2980, 3514, 4016, 4172, 4769, 5020, 5215, 5320, 5662, 5960, 7028, 8344, 8785, 9538, 10040, 10430, 10640, 11324, 11920, 14056, 14155, 16688, 17570, 19076, 19817, 20080, 20860, 22648, 23845, 28112, 28310, 33383, 35140, 37399, 38152, 39634, 41720, 45296, 47690, 56620, 66766, 70280, 74798, 76304, 79268, 83440, 95380, 99085, 113240, 133532, 140560, 149596, 158536, 166915, 186995, 190760, 198170, 226480, 261793, 267064, 299192, 317072, 333830, 373990, 381520, 396340, 523586, 534128, 598384, 667660, 710581, 747980, 792680, 1047172, 1308965, 1335320, 1421162, 1495960, 1585360, 2094344, 2617930, 2670640, 2842324, 2991920, 3552905, 4188688, 4974067, 5235860, 5684648, 7105810, 9948134, 10471720, 11369296, 14211620, 19896268, 20943440, 24870335, 28423240, 39792536, 49740670, 56846480, 79585072, 99481340, 198962680, 397925360]

約数ペア:

[(1, 397925360), (2, 198962680), (4, 99481340), (5, 79585072), (7, 56846480), (8, 49740670), (10, 39792536), (14, 28423240), (16, 24870335), (19, 20943440), (20, 19896268), (28, 14211620), (35, 11369296), (38, 10471720), (40, 9948134), (56, 7105810), (70, 5684648), (76, 5235860), (80, 4974067), (95, 4188688), (112, 3552905), (133, 2991920), (140, 2842324), (149, 2670640), (152, 2617930), (190, 2094344), (251, 1585360), (266, 1495960), (280, 1421162), (298, 1335320), (304, 1308965), (380, 1047172), (502, 792680), (532, 747980), (560, 710581), (596, 667660), (665, 598384), (745, 534128), (760, 523586), (1004, 396340), (1043, 381520), (1064, 373990), (1192, 333830), (1255, 317072), (1330, 299192), (1490, 267064), (1520, 261793), (1757, 226480), (2008, 198170), (2086, 190760), (2128, 186995), (2384, 166915), (2510, 158536), (2660, 149596), (2831, 140560), (2980, 133532), (3514, 113240), (4016, 99085), (4172, 95380), (4769, 83440), (5020, 79268), (5215, 76304), (5320, 74798), (5662, 70280), (5960, 66766), (7028, 56620), (8344, 47690), (8785, 45296), (9538, 41720), (10040, 39634), (10430, 38152), (10640, 37399), (11324, 35140), (11920, 33383), (14056, 28310), (14155, 28112), (16688, 23845), (17570, 22648), (19076, 20860), (19817, 20080)]