28136250

素因数分解:

$2^1\times 3^2\times 5^4\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 120

約数和(自身を含む): 79315236

約数和(自身を除く): 51178986

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 41, 45, 50, 61, 75, 82, 90, 122, 123, 125, 150, 183, 205, 225, 246, 250, 305, 366, 369, 375, 410, 450, 549, 610, 615, 625, 738, 750, 915, 1025, 1098, 1125, 1230, 1250, 1525, 1830, 1845, 1875, 2050, 2250, 2501, 2745, 3050, 3075, 3690, 3750, 4575, 5002, 5125, 5490, 5625, 6150, 7503, 7625, 9150, 9225, 10250, 11250, 12505, 13725, 15006, 15250, 15375, 18450, 22509, 22875, 25010, 25625, 27450, 30750, 37515, 38125, 45018, 45750, 46125, 51250, 62525, 68625, 75030, 76250, 76875, 92250, 112545, 114375, 125050, 137250, 153750, 187575, 225090, 228750, 230625, 312625, 343125, 375150, 461250, 562725, 625250, 686250, 937875, 1125450, 1563125, 1875750, 2813625, 3126250, 4689375, 5627250, 9378750, 14068125, 28136250]

約数ペア:

[(1, 28136250), (2, 14068125), (3, 9378750), (5, 5627250), (6, 4689375), (9, 3126250), (10, 2813625), (15, 1875750), (18, 1563125), (25, 1125450), (30, 937875), (41, 686250), (45, 625250), (50, 562725), (61, 461250), (75, 375150), (82, 343125), (90, 312625), (122, 230625), (123, 228750), (125, 225090), (150, 187575), (183, 153750), (205, 137250), (225, 125050), (246, 114375), (250, 112545), (305, 92250), (366, 76875), (369, 76250), (375, 75030), (410, 68625), (450, 62525), (549, 51250), (610, 46125), (615, 45750), (625, 45018), (738, 38125), (750, 37515), (915, 30750), (1025, 27450), (1098, 25625), (1125, 25010), (1230, 22875), (1250, 22509), (1525, 18450), (1830, 15375), (1845, 15250), (1875, 15006), (2050, 13725), (2250, 12505), (2501, 11250), (2745, 10250), (3050, 9225), (3075, 9150), (3690, 7625), (3750, 7503), (4575, 6150), (5002, 5625), (5125, 5490)]