111550000

素因数分解:

$2^4\times 5^5\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:153

約数の個数: 120

約数和(自身を含む): 284794272

約数和(自身を除く): 173244272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 97, 100, 115, 125, 184, 194, 200, 230, 250, 368, 388, 400, 460, 485, 500, 575, 625, 776, 920, 970, 1000, 1150, 1250, 1552, 1840, 1940, 2000, 2231, 2300, 2425, 2500, 2875, 3125, 3880, 4462, 4600, 4850, 5000, 5750, 6250, 7760, 8924, 9200, 9700, 10000, 11155, 11500, 12125, 12500, 14375, 17848, 19400, 22310, 23000, 24250, 25000, 28750, 35696, 38800, 44620, 46000, 48500, 50000, 55775, 57500, 60625, 71875, 89240, 97000, 111550, 115000, 121250, 143750, 178480, 194000, 223100, 230000, 242500, 278875, 287500, 303125, 446200, 485000, 557750, 575000, 606250, 892400, 970000, 1115500, 1150000, 1212500, 1394375, 2231000, 2425000, 2788750, 4462000, 4850000, 5577500, 6971875, 11155000, 13943750, 22310000, 27887500, 55775000, 111550000]

約数ペア:

[(1, 111550000), (2, 55775000), (4, 27887500), (5, 22310000), (8, 13943750), (10, 11155000), (16, 6971875), (20, 5577500), (23, 4850000), (25, 4462000), (40, 2788750), (46, 2425000), (50, 2231000), (80, 1394375), (92, 1212500), (97, 1150000), (100, 1115500), (115, 970000), (125, 892400), (184, 606250), (194, 575000), (200, 557750), (230, 485000), (250, 446200), (368, 303125), (388, 287500), (400, 278875), (460, 242500), (485, 230000), (500, 223100), (575, 194000), (625, 178480), (776, 143750), (920, 121250), (970, 115000), (1000, 111550), (1150, 97000), (1250, 89240), (1552, 71875), (1840, 60625), (1940, 57500), (2000, 55775), (2231, 50000), (2300, 48500), (2425, 46000), (2500, 44620), (2875, 38800), (3125, 35696), (3880, 28750), (4462, 25000), (4600, 24250), (4850, 23000), (5000, 22310), (5750, 19400), (6250, 17848), (7760, 14375), (8924, 12500), (9200, 12125), (9700, 11500), (10000, 11155)]