663661950

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20389}}^1$

素因数の和:20442

約数の個数: 96

約数和(自身を含む): 1941780480

約数和(自身を除く): 1278118530

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 31, 35, 42, 50, 62, 70, 75, 93, 105, 150, 155, 175, 186, 210, 217, 310, 350, 434, 465, 525, 651, 775, 930, 1050, 1085, 1302, 1550, 2170, 2325, 3255, 4650, 5425, 6510, 10850, 16275, 20389, 32550, 40778, 61167, 101945, 122334, 142723, 203890, 285446, 305835, 428169, 509725, 611670, 632059, 713615, 856338, 1019450, 1264118, 1427230, 1529175, 1896177, 2140845, 3058350, 3160295, 3568075, 3792354, 4281690, 4424413, 6320590, 7136150, 8848826, 9480885, 10704225, 13273239, 15801475, 18961770, 21408450, 22122065, 26546478, 31602950, 44244130, 47404425, 66366195, 94808850, 110610325, 132732390, 221220650, 331830975, 663661950]

約数ペア:

[(1, 663661950), (2, 331830975), (3, 221220650), (5, 132732390), (6, 110610325), (7, 94808850), (10, 66366195), (14, 47404425), (15, 44244130), (21, 31602950), (25, 26546478), (30, 22122065), (31, 21408450), (35, 18961770), (42, 15801475), (50, 13273239), (62, 10704225), (70, 9480885), (75, 8848826), (93, 7136150), (105, 6320590), (150, 4424413), (155, 4281690), (175, 3792354), (186, 3568075), (210, 3160295), (217, 3058350), (310, 2140845), (350, 1896177), (434, 1529175), (465, 1427230), (525, 1264118), (651, 1019450), (775, 856338), (930, 713615), (1050, 632059), (1085, 611670), (1302, 509725), (1550, 428169), (2170, 305835), (2325, 285446), (3255, 203890), (4650, 142723), (5425, 122334), (6510, 101945), (10850, 61167), (16275, 40778), (20389, 32550)]