144440000

素因数分解:

$2^6\times 5^4\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:212

約数の個数: 140

約数和(自身を含む): 376117104

約数和(自身を除く): 231677104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 125, 157, 160, 184, 200, 230, 250, 314, 320, 368, 400, 460, 500, 575, 625, 628, 736, 785, 800, 920, 1000, 1150, 1250, 1256, 1472, 1570, 1600, 1840, 2000, 2300, 2500, 2512, 2875, 3140, 3611, 3680, 3925, 4000, 4600, 5000, 5024, 5750, 6280, 7222, 7360, 7850, 8000, 9200, 10000, 10048, 11500, 12560, 14375, 14444, 15700, 18055, 18400, 19625, 20000, 23000, 25120, 28750, 28888, 31400, 36110, 36800, 39250, 40000, 46000, 50240, 57500, 57776, 62800, 72220, 78500, 90275, 92000, 98125, 115000, 115552, 125600, 144440, 157000, 180550, 184000, 196250, 230000, 231104, 251200, 288880, 314000, 361100, 392500, 451375, 460000, 577760, 628000, 722200, 785000, 902750, 920000, 1155520, 1256000, 1444400, 1570000, 1805500, 2256875, 2888800, 3140000, 3611000, 4513750, 5777600, 6280000, 7222000, 9027500, 14444000, 18055000, 28888000, 36110000, 72220000, 144440000]

約数ペア:

[(1, 144440000), (2, 72220000), (4, 36110000), (5, 28888000), (8, 18055000), (10, 14444000), (16, 9027500), (20, 7222000), (23, 6280000), (25, 5777600), (32, 4513750), (40, 3611000), (46, 3140000), (50, 2888800), (64, 2256875), (80, 1805500), (92, 1570000), (100, 1444400), (115, 1256000), (125, 1155520), (157, 920000), (160, 902750), (184, 785000), (200, 722200), (230, 628000), (250, 577760), (314, 460000), (320, 451375), (368, 392500), (400, 361100), (460, 314000), (500, 288880), (575, 251200), (625, 231104), (628, 230000), (736, 196250), (785, 184000), (800, 180550), (920, 157000), (1000, 144440), (1150, 125600), (1250, 115552), (1256, 115000), (1472, 98125), (1570, 92000), (1600, 90275), (1840, 78500), (2000, 72220), (2300, 62800), (2500, 57776), (2512, 57500), (2875, 50240), (3140, 46000), (3611, 40000), (3680, 39250), (3925, 36800), (4000, 36110), (4600, 31400), (5000, 28888), (5024, 28750), (5750, 25120), (6280, 23000), (7222, 20000), (7360, 19625), (7850, 18400), (8000, 18055), (9200, 15700), (10000, 14444), (10048, 14375), (11500, 12560)]