218591443140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{2657}}^1\times {\mathrm{27983}}^1$

素因数の和:30666

約数の個数: 144

約数和(自身を含む): 712276975872

約数和(自身を除く): 493685532732

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2657, 2940, 5314, 7971, 10628, 13285, 15942, 18599, 26570, 27983, 31884, 37198, 39855, 53140, 55797, 55966, 74396, 79710, 83949, 92995, 111594, 111932, 130193, 139915, 159420, 167898, 185990, 195881, 223188, 260386, 278985, 279830, 335796, 371980, 390579, 391762, 419745, 520772, 557970, 559660, 587643, 650965, 781158, 783524, 839490, 979405, 1115940, 1175286, 1301930, 1371167, 1562316, 1678980, 1952895, 1958810, 2350572, 2603860, 2742334, 2938215, 3905790, 3917620, 4113501, 5484668, 5876430, 6855835, 7811580, 8227002, 11752860, 13711670, 16454004, 20567505, 27423340, 41135010, 74350831, 82270020, 148701662, 223052493, 297403324, 371754155, 446104986, 520455817, 743508310, 892209972, 1040911634, 1115262465, 1487016620, 1561367451, 2081823268, 2230524930, 2602279085, 3122734902, 3643190719, 4461049860, 5204558170, 6245469804, 7286381438, 7806837255, 10409116340, 10929572157, 14572762876, 15613674510, 18215953595, 21859144314, 31227349020, 36431907190, 43718288628, 54647860785, 72863814380, 109295721570, 218591443140]

約数ペア:

[(1, 218591443140), (2, 109295721570), (3, 72863814380), (4, 54647860785), (5, 43718288628), (6, 36431907190), (7, 31227349020), (10, 21859144314), (12, 18215953595), (14, 15613674510), (15, 14572762876), (20, 10929572157), (21, 10409116340), (28, 7806837255), (30, 7286381438), (35, 6245469804), (42, 5204558170), (49, 4461049860), (60, 3643190719), (70, 3122734902), (84, 2602279085), (98, 2230524930), (105, 2081823268), (140, 1561367451), (147, 1487016620), (196, 1115262465), (210, 1040911634), (245, 892209972), (294, 743508310), (420, 520455817), (490, 446104986), (588, 371754155), (735, 297403324), (980, 223052493), (1470, 148701662), (2657, 82270020), (2940, 74350831), (5314, 41135010), (7971, 27423340), (10628, 20567505), (13285, 16454004), (15942, 13711670), (18599, 11752860), (26570, 8227002), (27983, 7811580), (31884, 6855835), (37198, 5876430), (39855, 5484668), (53140, 4113501), (55797, 3917620), (55966, 3905790), (74396, 2938215), (79710, 2742334), (83949, 2603860), (92995, 2350572), (111594, 1958810), (111932, 1952895), (130193, 1678980), (139915, 1562316), (159420, 1371167), (167898, 1301930), (185990, 1175286), (195881, 1115940), (223188, 979405), (260386, 839490), (278985, 783524), (279830, 781158), (335796, 650965), (371980, 587643), (390579, 559660), (391762, 557970), (419745, 520772)]