42012040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 116640000

約数和(自身を除く): 74627960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 53, 56, 70, 76, 95, 106, 133, 140, 149, 152, 190, 212, 265, 266, 280, 298, 371, 380, 424, 530, 532, 596, 665, 742, 745, 760, 1007, 1043, 1060, 1064, 1192, 1330, 1484, 1490, 1855, 2014, 2086, 2120, 2660, 2831, 2968, 2980, 3710, 4028, 4172, 5035, 5215, 5320, 5662, 5960, 7049, 7420, 7897, 8056, 8344, 10070, 10430, 11324, 14098, 14155, 14840, 15794, 19817, 20140, 20860, 22648, 28196, 28310, 31588, 35245, 39485, 39634, 40280, 41720, 55279, 56392, 56620, 63176, 70490, 78970, 79268, 99085, 110558, 113240, 140980, 150043, 157940, 158536, 198170, 221116, 276395, 281960, 300086, 315880, 396340, 442232, 552790, 600172, 750215, 792680, 1050301, 1105580, 1200344, 1500430, 2100602, 2211160, 3000860, 4201204, 5251505, 6001720, 8402408, 10503010, 21006020, 42012040]

約数ペア:

[(1, 42012040), (2, 21006020), (4, 10503010), (5, 8402408), (7, 6001720), (8, 5251505), (10, 4201204), (14, 3000860), (19, 2211160), (20, 2100602), (28, 1500430), (35, 1200344), (38, 1105580), (40, 1050301), (53, 792680), (56, 750215), (70, 600172), (76, 552790), (95, 442232), (106, 396340), (133, 315880), (140, 300086), (149, 281960), (152, 276395), (190, 221116), (212, 198170), (265, 158536), (266, 157940), (280, 150043), (298, 140980), (371, 113240), (380, 110558), (424, 99085), (530, 79268), (532, 78970), (596, 70490), (665, 63176), (742, 56620), (745, 56392), (760, 55279), (1007, 41720), (1043, 40280), (1060, 39634), (1064, 39485), (1192, 35245), (1330, 31588), (1484, 28310), (1490, 28196), (1855, 22648), (2014, 20860), (2086, 20140), (2120, 19817), (2660, 15794), (2831, 14840), (2968, 14155), (2980, 14098), (3710, 11324), (4028, 10430), (4172, 10070), (5035, 8344), (5215, 8056), (5320, 7897), (5662, 7420), (5960, 7049)]