28290000

素因数分解:

$2^4\times 3^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:95

約数の個数: 200

約数和(自身を含む): 97618752

約数和(自身を除く): 69328752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 40, 41, 46, 48, 50, 60, 69, 75, 80, 82, 92, 100, 115, 120, 123, 125, 138, 150, 164, 184, 200, 205, 230, 240, 246, 250, 276, 300, 328, 345, 368, 375, 400, 410, 460, 492, 500, 552, 575, 600, 615, 625, 656, 690, 750, 820, 920, 943, 984, 1000, 1025, 1104, 1150, 1200, 1230, 1250, 1380, 1500, 1640, 1725, 1840, 1875, 1886, 1968, 2000, 2050, 2300, 2460, 2500, 2760, 2829, 2875, 3000, 3075, 3280, 3450, 3750, 3772, 4100, 4600, 4715, 4920, 5000, 5125, 5520, 5658, 5750, 6000, 6150, 6900, 7500, 7544, 8200, 8625, 9200, 9430, 9840, 10000, 10250, 11316, 11500, 12300, 13800, 14145, 14375, 15000, 15088, 15375, 16400, 17250, 18860, 20500, 22632, 23000, 23575, 24600, 25625, 27600, 28290, 28750, 30000, 30750, 34500, 37720, 41000, 43125, 45264, 46000, 47150, 49200, 51250, 56580, 57500, 61500, 69000, 70725, 75440, 76875, 82000, 86250, 94300, 102500, 113160, 115000, 117875, 123000, 138000, 141450, 153750, 172500, 188600, 205000, 226320, 230000, 235750, 246000, 282900, 307500, 345000, 353625, 377200, 410000, 471500, 565800, 589375, 615000, 690000, 707250, 943000, 1131600, 1178750, 1230000, 1414500, 1768125, 1886000, 2357500, 2829000, 3536250, 4715000, 5658000, 7072500, 9430000, 14145000, 28290000]

約数ペア:

[(1, 28290000), (2, 14145000), (3, 9430000), (4, 7072500), (5, 5658000), (6, 4715000), (8, 3536250), (10, 2829000), (12, 2357500), (15, 1886000), (16, 1768125), (20, 1414500), (23, 1230000), (24, 1178750), (25, 1131600), (30, 943000), (40, 707250), (41, 690000), (46, 615000), (48, 589375), (50, 565800), (60, 471500), (69, 410000), (75, 377200), (80, 353625), (82, 345000), (92, 307500), (100, 282900), (115, 246000), (120, 235750), (123, 230000), (125, 226320), (138, 205000), (150, 188600), (164, 172500), (184, 153750), (200, 141450), (205, 138000), (230, 123000), (240, 117875), (246, 115000), (250, 113160), (276, 102500), (300, 94300), (328, 86250), (345, 82000), (368, 76875), (375, 75440), (400, 70725), (410, 69000), (460, 61500), (492, 57500), (500, 56580), (552, 51250), (575, 49200), (600, 47150), (615, 46000), (625, 45264), (656, 43125), (690, 41000), (750, 37720), (820, 34500), (920, 30750), (943, 30000), (984, 28750), (1000, 28290), (1025, 27600), (1104, 25625), (1150, 24600), (1200, 23575), (1230, 23000), (1250, 22632), (1380, 20500), (1500, 18860), (1640, 17250), (1725, 16400), (1840, 15375), (1875, 15088), (1886, 15000), (1968, 14375), (2000, 14145), (2050, 13800), (2300, 12300), (2460, 11500), (2500, 11316), (2760, 10250), (2829, 10000), (2875, 9840), (3000, 9430), (3075, 9200), (3280, 8625), (3450, 8200), (3750, 7544), (3772, 7500), (4100, 6900), (4600, 6150), (4715, 6000), (4920, 5750), (5000, 5658), (5125, 5520)]