278316450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:401

約数の個数: 144

約数和(自身を含む): 785521152

約数和(自身を除く): 507204702

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 50, 62, 71, 75, 90, 93, 142, 150, 155, 186, 213, 225, 279, 281, 310, 355, 426, 450, 465, 558, 562, 639, 710, 775, 843, 930, 1065, 1278, 1395, 1405, 1550, 1686, 1775, 2130, 2201, 2325, 2529, 2790, 2810, 3195, 3550, 4215, 4402, 4650, 5058, 5325, 6390, 6603, 6975, 7025, 8430, 8711, 10650, 11005, 12645, 13206, 13950, 14050, 15975, 17422, 19809, 19951, 21075, 22010, 25290, 26133, 31950, 33015, 39618, 39902, 42150, 43555, 52266, 55025, 59853, 63225, 66030, 78399, 87110, 99045, 99755, 110050, 119706, 126450, 130665, 156798, 165075, 179559, 198090, 199510, 217775, 261330, 299265, 330150, 359118, 391995, 435550, 495225, 498775, 598530, 618481, 653325, 783990, 897795, 990450, 997550, 1236962, 1306650, 1496325, 1795590, 1855443, 1959975, 2992650, 3092405, 3710886, 3919950, 4488975, 5566329, 6184810, 8977950, 9277215, 11132658, 15462025, 18554430, 27831645, 30924050, 46386075, 55663290, 92772150, 139158225, 278316450]

約数ペア:

[(1, 278316450), (2, 139158225), (3, 92772150), (5, 55663290), (6, 46386075), (9, 30924050), (10, 27831645), (15, 18554430), (18, 15462025), (25, 11132658), (30, 9277215), (31, 8977950), (45, 6184810), (50, 5566329), (62, 4488975), (71, 3919950), (75, 3710886), (90, 3092405), (93, 2992650), (142, 1959975), (150, 1855443), (155, 1795590), (186, 1496325), (213, 1306650), (225, 1236962), (279, 997550), (281, 990450), (310, 897795), (355, 783990), (426, 653325), (450, 618481), (465, 598530), (558, 498775), (562, 495225), (639, 435550), (710, 391995), (775, 359118), (843, 330150), (930, 299265), (1065, 261330), (1278, 217775), (1395, 199510), (1405, 198090), (1550, 179559), (1686, 165075), (1775, 156798), (2130, 130665), (2201, 126450), (2325, 119706), (2529, 110050), (2790, 99755), (2810, 99045), (3195, 87110), (3550, 78399), (4215, 66030), (4402, 63225), (4650, 59853), (5058, 55025), (5325, 52266), (6390, 43555), (6603, 42150), (6975, 39902), (7025, 39618), (8430, 33015), (8711, 31950), (10650, 26133), (11005, 25290), (12645, 22010), (13206, 21075), (13950, 19951), (14050, 19809), (15975, 17422)]