31225950

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:479

約数の個数: 144

約数和(自身を含む): 100279296

約数和(自身を除く): 69053346

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 25, 30, 35, 42, 45, 46, 50, 63, 69, 70, 75, 90, 105, 115, 126, 138, 150, 161, 175, 207, 210, 225, 230, 315, 322, 345, 350, 414, 431, 450, 483, 525, 575, 630, 690, 805, 862, 966, 1035, 1050, 1150, 1293, 1449, 1575, 1610, 1725, 2070, 2155, 2415, 2586, 2898, 3017, 3150, 3450, 3879, 4025, 4310, 4830, 5175, 6034, 6465, 7245, 7758, 8050, 9051, 9913, 10350, 10775, 12075, 12930, 14490, 15085, 18102, 19395, 19826, 21550, 24150, 27153, 29739, 30170, 32325, 36225, 38790, 45255, 49565, 54306, 59478, 64650, 69391, 72450, 75425, 89217, 90510, 96975, 99130, 135765, 138782, 148695, 150850, 178434, 193950, 208173, 226275, 247825, 271530, 297390, 346955, 416346, 446085, 452550, 495650, 624519, 678825, 693910, 743475, 892170, 1040865, 1249038, 1357650, 1486950, 1734775, 2081730, 2230425, 3122595, 3469550, 4460850, 5204325, 6245190, 10408650, 15612975, 31225950]

約数ペア:

[(1, 31225950), (2, 15612975), (3, 10408650), (5, 6245190), (6, 5204325), (7, 4460850), (9, 3469550), (10, 3122595), (14, 2230425), (15, 2081730), (18, 1734775), (21, 1486950), (23, 1357650), (25, 1249038), (30, 1040865), (35, 892170), (42, 743475), (45, 693910), (46, 678825), (50, 624519), (63, 495650), (69, 452550), (70, 446085), (75, 416346), (90, 346955), (105, 297390), (115, 271530), (126, 247825), (138, 226275), (150, 208173), (161, 193950), (175, 178434), (207, 150850), (210, 148695), (225, 138782), (230, 135765), (315, 99130), (322, 96975), (345, 90510), (350, 89217), (414, 75425), (431, 72450), (450, 69391), (483, 64650), (525, 59478), (575, 54306), (630, 49565), (690, 45255), (805, 38790), (862, 36225), (966, 32325), (1035, 30170), (1050, 29739), (1150, 27153), (1293, 24150), (1449, 21550), (1575, 19826), (1610, 19395), (1725, 18102), (2070, 15085), (2155, 14490), (2415, 12930), (2586, 12075), (2898, 10775), (3017, 10350), (3150, 9913), (3450, 9051), (3879, 8050), (4025, 7758), (4310, 7245), (4830, 6465), (5175, 6034)]