28155750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 83386368

約数和(自身を除く): 55230618

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 31, 35, 42, 50, 62, 70, 75, 93, 105, 125, 150, 155, 173, 175, 186, 210, 217, 250, 310, 346, 350, 375, 434, 465, 519, 525, 651, 750, 775, 865, 875, 930, 1038, 1050, 1085, 1211, 1302, 1550, 1730, 1750, 2170, 2325, 2422, 2595, 2625, 3255, 3633, 3875, 4325, 4650, 5190, 5250, 5363, 5425, 6055, 6510, 7266, 7750, 8650, 10726, 10850, 11625, 12110, 12975, 16089, 16275, 18165, 21625, 23250, 25950, 26815, 27125, 30275, 32178, 32550, 36330, 37541, 43250, 53630, 54250, 60550, 64875, 75082, 80445, 81375, 90825, 112623, 129750, 134075, 151375, 160890, 162750, 181650, 187705, 225246, 268150, 302750, 375410, 402225, 454125, 563115, 670375, 804450, 908250, 938525, 1126230, 1340750, 1877050, 2011125, 2815575, 4022250, 4692625, 5631150, 9385250, 14077875, 28155750]

約数ペア:

[(1, 28155750), (2, 14077875), (3, 9385250), (5, 5631150), (6, 4692625), (7, 4022250), (10, 2815575), (14, 2011125), (15, 1877050), (21, 1340750), (25, 1126230), (30, 938525), (31, 908250), (35, 804450), (42, 670375), (50, 563115), (62, 454125), (70, 402225), (75, 375410), (93, 302750), (105, 268150), (125, 225246), (150, 187705), (155, 181650), (173, 162750), (175, 160890), (186, 151375), (210, 134075), (217, 129750), (250, 112623), (310, 90825), (346, 81375), (350, 80445), (375, 75082), (434, 64875), (465, 60550), (519, 54250), (525, 53630), (651, 43250), (750, 37541), (775, 36330), (865, 32550), (875, 32178), (930, 30275), (1038, 27125), (1050, 26815), (1085, 25950), (1211, 23250), (1302, 21625), (1550, 18165), (1730, 16275), (1750, 16089), (2170, 12975), (2325, 12110), (2422, 11625), (2595, 10850), (2625, 10726), (3255, 8650), (3633, 7750), (3875, 7266), (4325, 6510), (4650, 6055), (5190, 5425), (5250, 5363)]