639247050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4751}}^1$

素因数の和:4805

約数の個数: 144

約数和(自身を含む): 1930376448

約数和(自身を除く): 1291129398

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 23, 25, 26, 30, 39, 45, 46, 50, 65, 69, 75, 78, 90, 115, 117, 130, 138, 150, 195, 207, 225, 230, 234, 299, 325, 345, 390, 414, 450, 575, 585, 598, 650, 690, 897, 975, 1035, 1150, 1170, 1495, 1725, 1794, 1950, 2070, 2691, 2925, 2990, 3450, 4485, 4751, 5175, 5382, 5850, 7475, 8970, 9502, 10350, 13455, 14253, 14950, 22425, 23755, 26910, 28506, 42759, 44850, 47510, 61763, 67275, 71265, 85518, 109273, 118775, 123526, 134550, 142530, 185289, 213795, 218546, 237550, 308815, 327819, 356325, 370578, 427590, 546365, 555867, 617630, 655638, 712650, 926445, 983457, 1068975, 1092730, 1111734, 1420549, 1544075, 1639095, 1852890, 1966914, 2137950, 2731825, 2779335, 2841098, 3088150, 3278190, 4261647, 4632225, 4917285, 5463650, 5558670, 7102745, 8195475, 8523294, 9264450, 9834570, 12784941, 13896675, 14205490, 16390950, 21308235, 24586425, 25569882, 27793350, 35513725, 42616470, 49172850, 63924705, 71027450, 106541175, 127849410, 213082350, 319623525, 639247050]

約数ペア:

[(1, 639247050), (2, 319623525), (3, 213082350), (5, 127849410), (6, 106541175), (9, 71027450), (10, 63924705), (13, 49172850), (15, 42616470), (18, 35513725), (23, 27793350), (25, 25569882), (26, 24586425), (30, 21308235), (39, 16390950), (45, 14205490), (46, 13896675), (50, 12784941), (65, 9834570), (69, 9264450), (75, 8523294), (78, 8195475), (90, 7102745), (115, 5558670), (117, 5463650), (130, 4917285), (138, 4632225), (150, 4261647), (195, 3278190), (207, 3088150), (225, 2841098), (230, 2779335), (234, 2731825), (299, 2137950), (325, 1966914), (345, 1852890), (390, 1639095), (414, 1544075), (450, 1420549), (575, 1111734), (585, 1092730), (598, 1068975), (650, 983457), (690, 926445), (897, 712650), (975, 655638), (1035, 617630), (1150, 555867), (1170, 546365), (1495, 427590), (1725, 370578), (1794, 356325), (1950, 327819), (2070, 308815), (2691, 237550), (2925, 218546), (2990, 213795), (3450, 185289), (4485, 142530), (4751, 134550), (5175, 123526), (5382, 118775), (5850, 109273), (7475, 85518), (8970, 71265), (9502, 67275), (10350, 61763), (13455, 47510), (14253, 44850), (14950, 42759), (22425, 28506), (23755, 26910)]