138649840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:279

約数の個数: 160

約数和(自身を含む): 394974720

約数和(自身を除く): 256324880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 83, 95, 112, 133, 140, 152, 157, 166, 190, 266, 280, 304, 314, 332, 380, 415, 532, 560, 581, 628, 664, 665, 760, 785, 830, 1064, 1099, 1162, 1256, 1328, 1330, 1520, 1570, 1577, 1660, 2128, 2198, 2324, 2512, 2660, 2905, 2983, 3140, 3154, 3320, 4396, 4648, 5320, 5495, 5810, 5966, 6280, 6308, 6640, 7885, 8792, 9296, 10640, 10990, 11039, 11620, 11932, 12560, 12616, 13031, 14915, 15770, 17584, 20881, 21980, 22078, 23240, 23864, 25232, 26062, 29830, 31540, 41762, 43960, 44156, 46480, 47728, 52124, 55195, 59660, 63080, 65155, 83524, 87920, 88312, 91217, 104248, 104405, 110390, 119320, 126160, 130310, 167048, 176624, 182434, 208496, 208810, 220780, 238640, 247589, 260620, 334096, 364868, 417620, 441560, 456085, 495178, 521240, 729736, 835240, 883120, 912170, 990356, 1042480, 1237945, 1459472, 1670480, 1733123, 1824340, 1980712, 2475890, 3466246, 3648680, 3961424, 4951780, 6932492, 7297360, 8665615, 9903560, 13864984, 17331230, 19807120, 27729968, 34662460, 69324920, 138649840]

約数ペア:

[(1, 138649840), (2, 69324920), (4, 34662460), (5, 27729968), (7, 19807120), (8, 17331230), (10, 13864984), (14, 9903560), (16, 8665615), (19, 7297360), (20, 6932492), (28, 4951780), (35, 3961424), (38, 3648680), (40, 3466246), (56, 2475890), (70, 1980712), (76, 1824340), (80, 1733123), (83, 1670480), (95, 1459472), (112, 1237945), (133, 1042480), (140, 990356), (152, 912170), (157, 883120), (166, 835240), (190, 729736), (266, 521240), (280, 495178), (304, 456085), (314, 441560), (332, 417620), (380, 364868), (415, 334096), (532, 260620), (560, 247589), (581, 238640), (628, 220780), (664, 208810), (665, 208496), (760, 182434), (785, 176624), (830, 167048), (1064, 130310), (1099, 126160), (1162, 119320), (1256, 110390), (1328, 104405), (1330, 104248), (1520, 91217), (1570, 88312), (1577, 87920), (1660, 83524), (2128, 65155), (2198, 63080), (2324, 59660), (2512, 55195), (2660, 52124), (2905, 47728), (2983, 46480), (3140, 44156), (3154, 43960), (3320, 41762), (4396, 31540), (4648, 29830), (5320, 26062), (5495, 25232), (5810, 23864), (5966, 23240), (6280, 22078), (6308, 21980), (6640, 20881), (7885, 17584), (8792, 15770), (9296, 14915), (10640, 13031), (10990, 12616), (11039, 12560), (11620, 11932)]