221240800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:873

約数の個数: 144

約数和(自身を含む): 608961024

約数和(自身を除く): 387720224

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 40, 44, 50, 55, 62, 80, 88, 100, 110, 124, 155, 160, 176, 200, 220, 248, 275, 310, 341, 352, 400, 440, 496, 550, 620, 682, 775, 800, 811, 880, 992, 1100, 1240, 1364, 1550, 1622, 1705, 1760, 2200, 2480, 2728, 3100, 3244, 3410, 4055, 4400, 4960, 5456, 6200, 6488, 6820, 8110, 8525, 8800, 8921, 10912, 12400, 12976, 13640, 16220, 17050, 17842, 20275, 24800, 25141, 25952, 27280, 32440, 34100, 35684, 40550, 44605, 50282, 54560, 64880, 68200, 71368, 81100, 89210, 100564, 125705, 129760, 136400, 142736, 162200, 178420, 201128, 223025, 251410, 272800, 276551, 285472, 324400, 356840, 402256, 446050, 502820, 553102, 628525, 648800, 713680, 804512, 892100, 1005640, 1106204, 1257050, 1382755, 1427360, 1784200, 2011280, 2212408, 2514100, 2765510, 3568400, 4022560, 4424816, 5028200, 5531020, 6913775, 7136800, 8849632, 10056400, 11062040, 13827550, 20112800, 22124080, 27655100, 44248160, 55310200, 110620400, 221240800]

約数ペア:

[(1, 221240800), (2, 110620400), (4, 55310200), (5, 44248160), (8, 27655100), (10, 22124080), (11, 20112800), (16, 13827550), (20, 11062040), (22, 10056400), (25, 8849632), (31, 7136800), (32, 6913775), (40, 5531020), (44, 5028200), (50, 4424816), (55, 4022560), (62, 3568400), (80, 2765510), (88, 2514100), (100, 2212408), (110, 2011280), (124, 1784200), (155, 1427360), (160, 1382755), (176, 1257050), (200, 1106204), (220, 1005640), (248, 892100), (275, 804512), (310, 713680), (341, 648800), (352, 628525), (400, 553102), (440, 502820), (496, 446050), (550, 402256), (620, 356840), (682, 324400), (775, 285472), (800, 276551), (811, 272800), (880, 251410), (992, 223025), (1100, 201128), (1240, 178420), (1364, 162200), (1550, 142736), (1622, 136400), (1705, 129760), (1760, 125705), (2200, 100564), (2480, 89210), (2728, 81100), (3100, 71368), (3244, 68200), (3410, 64880), (4055, 54560), (4400, 50282), (4960, 44605), (5456, 40550), (6200, 35684), (6488, 34100), (6820, 32440), (8110, 27280), (8525, 25952), (8800, 25141), (8921, 24800), (10912, 20275), (12400, 17842), (12976, 17050), (13640, 16220)]