259988820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2801}}^1$

素因数の和:2850

約数の個数: 192

約数和(自身を含む): 949003776

約数和(自身を除く): 689014956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 17, 20, 21, 26, 28, 30, 34, 35, 39, 42, 51, 52, 60, 65, 68, 70, 78, 84, 85, 91, 102, 105, 119, 130, 140, 156, 170, 182, 195, 204, 210, 221, 238, 255, 260, 273, 340, 357, 364, 390, 420, 442, 455, 476, 510, 546, 595, 663, 714, 780, 884, 910, 1020, 1092, 1105, 1190, 1326, 1365, 1428, 1547, 1785, 1820, 2210, 2380, 2652, 2730, 2801, 3094, 3315, 3570, 4420, 4641, 5460, 5602, 6188, 6630, 7140, 7735, 8403, 9282, 11204, 13260, 14005, 15470, 16806, 18564, 19607, 23205, 28010, 30940, 33612, 36413, 39214, 42015, 46410, 47617, 56020, 58821, 72826, 78428, 84030, 92820, 95234, 98035, 109239, 117642, 142851, 145652, 168060, 182065, 190468, 196070, 218478, 235284, 238085, 254891, 285702, 294105, 333319, 364130, 392140, 436956, 476170, 509782, 546195, 571404, 588210, 619021, 666638, 714255, 728260, 764673, 952340, 999957, 1019564, 1092390, 1176420, 1238042, 1274455, 1333276, 1428510, 1529346, 1666595, 1857063, 1999914, 2184780, 2476084, 2548910, 2857020, 3058692, 3095105, 3333190, 3714126, 3823365, 3999828, 4333147, 4999785, 5097820, 6190210, 6666380, 7428252, 7646730, 8666294, 9285315, 9999570, 12380420, 12999441, 15293460, 17332588, 18570630, 19999140, 21665735, 25998882, 37141260, 43331470, 51997764, 64997205, 86662940, 129994410, 259988820]

約数ペア:

[(1, 259988820), (2, 129994410), (3, 86662940), (4, 64997205), (5, 51997764), (6, 43331470), (7, 37141260), (10, 25998882), (12, 21665735), (13, 19999140), (14, 18570630), (15, 17332588), (17, 15293460), (20, 12999441), (21, 12380420), (26, 9999570), (28, 9285315), (30, 8666294), (34, 7646730), (35, 7428252), (39, 6666380), (42, 6190210), (51, 5097820), (52, 4999785), (60, 4333147), (65, 3999828), (68, 3823365), (70, 3714126), (78, 3333190), (84, 3095105), (85, 3058692), (91, 2857020), (102, 2548910), (105, 2476084), (119, 2184780), (130, 1999914), (140, 1857063), (156, 1666595), (170, 1529346), (182, 1428510), (195, 1333276), (204, 1274455), (210, 1238042), (221, 1176420), (238, 1092390), (255, 1019564), (260, 999957), (273, 952340), (340, 764673), (357, 728260), (364, 714255), (390, 666638), (420, 619021), (442, 588210), (455, 571404), (476, 546195), (510, 509782), (546, 476170), (595, 436956), (663, 392140), (714, 364130), (780, 333319), (884, 294105), (910, 285702), (1020, 254891), (1092, 238085), (1105, 235284), (1190, 218478), (1326, 196070), (1365, 190468), (1428, 182065), (1547, 168060), (1785, 145652), (1820, 142851), (2210, 117642), (2380, 109239), (2652, 98035), (2730, 95234), (2801, 92820), (3094, 84030), (3315, 78428), (3570, 72826), (4420, 58821), (4641, 56020), (5460, 47617), (5602, 46410), (6188, 42015), (6630, 39214), (7140, 36413), (7735, 33612), (8403, 30940), (9282, 28010), (11204, 23205), (13260, 19607), (14005, 18564), (15470, 16806)]