263965000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:201

約数の個数: 160

約数和(自身を含む): 692778240

約数和(自身を除く): 428813240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 62, 65, 100, 104, 124, 125, 130, 131, 155, 200, 248, 250, 260, 262, 310, 325, 403, 500, 520, 524, 620, 625, 650, 655, 775, 806, 1000, 1048, 1240, 1250, 1300, 1310, 1550, 1612, 1625, 1703, 2015, 2500, 2600, 2620, 3100, 3224, 3250, 3275, 3406, 3875, 4030, 4061, 5000, 5240, 6200, 6500, 6550, 6812, 7750, 8060, 8122, 8125, 8515, 10075, 13000, 13100, 13624, 15500, 16120, 16244, 16250, 16375, 17030, 19375, 20150, 20305, 26200, 31000, 32488, 32500, 32750, 34060, 38750, 40300, 40610, 42575, 50375, 52793, 65000, 65500, 68120, 77500, 80600, 81220, 81875, 85150, 100750, 101525, 105586, 131000, 155000, 162440, 163750, 170300, 201500, 203050, 211172, 212875, 251875, 263965, 327500, 340600, 403000, 406100, 422344, 425750, 503750, 507625, 527930, 655000, 812200, 851500, 1007500, 1015250, 1055860, 1064375, 1319825, 1703000, 2015000, 2030500, 2111720, 2128750, 2538125, 2639650, 4061000, 4257500, 5076250, 5279300, 6599125, 8515000, 10152500, 10558600, 13198250, 20305000, 26396500, 32995625, 52793000, 65991250, 131982500, 263965000]

約数ペア:

[(1, 263965000), (2, 131982500), (4, 65991250), (5, 52793000), (8, 32995625), (10, 26396500), (13, 20305000), (20, 13198250), (25, 10558600), (26, 10152500), (31, 8515000), (40, 6599125), (50, 5279300), (52, 5076250), (62, 4257500), (65, 4061000), (100, 2639650), (104, 2538125), (124, 2128750), (125, 2111720), (130, 2030500), (131, 2015000), (155, 1703000), (200, 1319825), (248, 1064375), (250, 1055860), (260, 1015250), (262, 1007500), (310, 851500), (325, 812200), (403, 655000), (500, 527930), (520, 507625), (524, 503750), (620, 425750), (625, 422344), (650, 406100), (655, 403000), (775, 340600), (806, 327500), (1000, 263965), (1048, 251875), (1240, 212875), (1250, 211172), (1300, 203050), (1310, 201500), (1550, 170300), (1612, 163750), (1625, 162440), (1703, 155000), (2015, 131000), (2500, 105586), (2600, 101525), (2620, 100750), (3100, 85150), (3224, 81875), (3250, 81220), (3275, 80600), (3406, 77500), (3875, 68120), (4030, 65500), (4061, 65000), (5000, 52793), (5240, 50375), (6200, 42575), (6500, 40610), (6550, 40300), (6812, 38750), (7750, 34060), (8060, 32750), (8122, 32500), (8125, 32488), (8515, 31000), (10075, 26200), (13000, 20305), (13100, 20150), (13624, 19375), (15500, 17030), (16120, 16375), (16244, 16250)]