393253600

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:309

約数の個数: 144

約数和(自身を含む): 1007185536

約数和(自身を除く): 613931936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 101, 124, 155, 157, 160, 200, 202, 248, 310, 314, 400, 404, 496, 505, 620, 628, 775, 785, 800, 808, 992, 1010, 1240, 1256, 1550, 1570, 1616, 2020, 2480, 2512, 2525, 3100, 3131, 3140, 3232, 3925, 4040, 4867, 4960, 5024, 5050, 6200, 6262, 6280, 7850, 8080, 9734, 10100, 12400, 12524, 12560, 15655, 15700, 15857, 16160, 19468, 20200, 24335, 24800, 25048, 25120, 31310, 31400, 31714, 38936, 40400, 48670, 50096, 62620, 62800, 63428, 77872, 78275, 79285, 80800, 97340, 100192, 121675, 125240, 125600, 126856, 155744, 156550, 158570, 194680, 243350, 250480, 253712, 313100, 317140, 389360, 396425, 486700, 491567, 500960, 507424, 626200, 634280, 778720, 792850, 973400, 983134, 1252400, 1268560, 1585700, 1946800, 1966268, 2457835, 2504800, 2537120, 3171400, 3893600, 3932536, 4915670, 6342800, 7865072, 9831340, 12289175, 12685600, 15730144, 19662680, 24578350, 39325360, 49156700, 78650720, 98313400, 196626800, 393253600]

約数ペア:

[(1, 393253600), (2, 196626800), (4, 98313400), (5, 78650720), (8, 49156700), (10, 39325360), (16, 24578350), (20, 19662680), (25, 15730144), (31, 12685600), (32, 12289175), (40, 9831340), (50, 7865072), (62, 6342800), (80, 4915670), (100, 3932536), (101, 3893600), (124, 3171400), (155, 2537120), (157, 2504800), (160, 2457835), (200, 1966268), (202, 1946800), (248, 1585700), (310, 1268560), (314, 1252400), (400, 983134), (404, 973400), (496, 792850), (505, 778720), (620, 634280), (628, 626200), (775, 507424), (785, 500960), (800, 491567), (808, 486700), (992, 396425), (1010, 389360), (1240, 317140), (1256, 313100), (1550, 253712), (1570, 250480), (1616, 243350), (2020, 194680), (2480, 158570), (2512, 156550), (2525, 155744), (3100, 126856), (3131, 125600), (3140, 125240), (3232, 121675), (3925, 100192), (4040, 97340), (4867, 80800), (4960, 79285), (5024, 78275), (5050, 77872), (6200, 63428), (6262, 62800), (6280, 62620), (7850, 50096), (8080, 48670), (9734, 40400), (10100, 38936), (12400, 31714), (12524, 31400), (12560, 31310), (15655, 25120), (15700, 25048), (15857, 24800), (16160, 24335), (19468, 20200)]