320302850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:660

約数の個数: 96

約数和(自身を含む): 717382656

約数和(自身を除く): 397079806

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 53, 62, 70, 106, 155, 175, 217, 265, 310, 350, 371, 434, 530, 557, 742, 775, 1085, 1114, 1325, 1550, 1643, 1855, 2170, 2650, 2785, 3286, 3710, 3899, 5425, 5570, 7798, 8215, 9275, 10850, 11501, 13925, 16430, 17267, 18550, 19495, 23002, 27850, 29521, 34534, 38990, 41075, 57505, 59042, 82150, 86335, 97475, 115010, 120869, 147605, 172670, 194950, 206647, 241738, 287525, 295210, 413294, 431675, 575050, 604345, 738025, 863350, 915151, 1033235, 1208690, 1476050, 1830302, 2066470, 3021725, 4575755, 5166175, 6043450, 6406057, 9151510, 10332350, 12812114, 22878775, 32030285, 45757550, 64060570, 160151425, 320302850]

約数ペア:

[(1, 320302850), (2, 160151425), (5, 64060570), (7, 45757550), (10, 32030285), (14, 22878775), (25, 12812114), (31, 10332350), (35, 9151510), (50, 6406057), (53, 6043450), (62, 5166175), (70, 4575755), (106, 3021725), (155, 2066470), (175, 1830302), (217, 1476050), (265, 1208690), (310, 1033235), (350, 915151), (371, 863350), (434, 738025), (530, 604345), (557, 575050), (742, 431675), (775, 413294), (1085, 295210), (1114, 287525), (1325, 241738), (1550, 206647), (1643, 194950), (1855, 172670), (2170, 147605), (2650, 120869), (2785, 115010), (3286, 97475), (3710, 86335), (3899, 82150), (5425, 59042), (5570, 57505), (7798, 41075), (8215, 38990), (9275, 34534), (10850, 29521), (11501, 27850), (13925, 23002), (16430, 19495), (17267, 18550)]