440673100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:416

約数の個数: 144

約数和(自身を含む): 1155926016

約数和(自身を除く): 715252916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 101, 115, 140, 161, 175, 202, 230, 271, 322, 350, 404, 460, 505, 542, 575, 644, 700, 707, 805, 1010, 1084, 1150, 1355, 1414, 1610, 1897, 2020, 2300, 2323, 2525, 2710, 2828, 3220, 3535, 3794, 4025, 4646, 5050, 5420, 6233, 6775, 7070, 7588, 8050, 9292, 9485, 10100, 11615, 12466, 13550, 14140, 16100, 16261, 17675, 18970, 23230, 24932, 27100, 27371, 31165, 32522, 35350, 37940, 43631, 46460, 47425, 54742, 58075, 62330, 65044, 70700, 81305, 87262, 94850, 109484, 116150, 124660, 136855, 155825, 162610, 174524, 189700, 191597, 218155, 232300, 273710, 311650, 325220, 383194, 406525, 436310, 547420, 623300, 629533, 684275, 766388, 813050, 872620, 957985, 1090775, 1259066, 1368550, 1626100, 1915970, 2181550, 2518132, 2737100, 3147665, 3831940, 4363100, 4406731, 4789925, 6295330, 8813462, 9579850, 12590660, 15738325, 17626924, 19159700, 22033655, 31476650, 44067310, 62953300, 88134620, 110168275, 220336550, 440673100]

約数ペア:

[(1, 440673100), (2, 220336550), (4, 110168275), (5, 88134620), (7, 62953300), (10, 44067310), (14, 31476650), (20, 22033655), (23, 19159700), (25, 17626924), (28, 15738325), (35, 12590660), (46, 9579850), (50, 8813462), (70, 6295330), (92, 4789925), (100, 4406731), (101, 4363100), (115, 3831940), (140, 3147665), (161, 2737100), (175, 2518132), (202, 2181550), (230, 1915970), (271, 1626100), (322, 1368550), (350, 1259066), (404, 1090775), (460, 957985), (505, 872620), (542, 813050), (575, 766388), (644, 684275), (700, 629533), (707, 623300), (805, 547420), (1010, 436310), (1084, 406525), (1150, 383194), (1355, 325220), (1414, 311650), (1610, 273710), (1897, 232300), (2020, 218155), (2300, 191597), (2323, 189700), (2525, 174524), (2710, 162610), (2828, 155825), (3220, 136855), (3535, 124660), (3794, 116150), (4025, 109484), (4646, 94850), (5050, 87262), (5420, 81305), (6233, 70700), (6775, 65044), (7070, 62330), (7588, 58075), (8050, 54742), (9292, 47425), (9485, 46460), (10100, 43631), (11615, 37940), (12466, 35350), (13550, 32522), (14140, 31165), (16100, 27371), (16261, 27100), (17675, 24932), (18970, 23230)]