192897500

素因数分解:

$2^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 120

約数和(自身を含む): 461852160

約数和(自身を除く): 268954660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 125, 131, 155, 190, 250, 262, 310, 380, 475, 500, 524, 589, 620, 625, 655, 775, 950, 1178, 1250, 1310, 1550, 1900, 2356, 2375, 2489, 2500, 2620, 2945, 3100, 3275, 3875, 4061, 4750, 4978, 5890, 6550, 7750, 8122, 9500, 9956, 11780, 11875, 12445, 13100, 14725, 15500, 16244, 16375, 19375, 20305, 23750, 24890, 29450, 32750, 38750, 40610, 47500, 49780, 58900, 62225, 65500, 73625, 77159, 77500, 81220, 81875, 101525, 124450, 147250, 154318, 163750, 203050, 248900, 294500, 308636, 311125, 327500, 368125, 385795, 406100, 507625, 622250, 736250, 771590, 1015250, 1244500, 1472500, 1543180, 1555625, 1928975, 2030500, 2538125, 3111250, 3857950, 5076250, 6222500, 7715900, 9644875, 10152500, 19289750, 38579500, 48224375, 96448750, 192897500]

約数ペア:

[(1, 192897500), (2, 96448750), (4, 48224375), (5, 38579500), (10, 19289750), (19, 10152500), (20, 9644875), (25, 7715900), (31, 6222500), (38, 5076250), (50, 3857950), (62, 3111250), (76, 2538125), (95, 2030500), (100, 1928975), (124, 1555625), (125, 1543180), (131, 1472500), (155, 1244500), (190, 1015250), (250, 771590), (262, 736250), (310, 622250), (380, 507625), (475, 406100), (500, 385795), (524, 368125), (589, 327500), (620, 311125), (625, 308636), (655, 294500), (775, 248900), (950, 203050), (1178, 163750), (1250, 154318), (1310, 147250), (1550, 124450), (1900, 101525), (2356, 81875), (2375, 81220), (2489, 77500), (2500, 77159), (2620, 73625), (2945, 65500), (3100, 62225), (3275, 58900), (3875, 49780), (4061, 47500), (4750, 40610), (4978, 38750), (5890, 32750), (6550, 29450), (7750, 24890), (8122, 23750), (9500, 20305), (9956, 19375), (11780, 16375), (11875, 16244), (12445, 15500), (13100, 14725)]