421917930

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{31891}}^1$

素因数の和:31921

約数の個数: 96

約数和(自身を含む): 1308847680

約数和(自身を除く): 886929750

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 315, 378, 441, 490, 630, 735, 882, 945, 1323, 1470, 1890, 2205, 2646, 4410, 6615, 13230, 31891, 63782, 95673, 159455, 191346, 223237, 287019, 318910, 446474, 478365, 574038, 669711, 861057, 956730, 1116185, 1339422, 1435095, 1562659, 1722114, 2009133, 2232370, 2870190, 3125318, 3348555, 4018266, 4305285, 4687977, 6027399, 6697110, 7813295, 8610570, 9375954, 10045665, 12054798, 14063931, 15626590, 20091330, 23439885, 28127862, 30136995, 42191793, 46879770, 60273990, 70319655, 84383586, 140639310, 210958965, 421917930]

約数ペア:

[(1, 421917930), (2, 210958965), (3, 140639310), (5, 84383586), (6, 70319655), (7, 60273990), (9, 46879770), (10, 42191793), (14, 30136995), (15, 28127862), (18, 23439885), (21, 20091330), (27, 15626590), (30, 14063931), (35, 12054798), (42, 10045665), (45, 9375954), (49, 8610570), (54, 7813295), (63, 6697110), (70, 6027399), (90, 4687977), (98, 4305285), (105, 4018266), (126, 3348555), (135, 3125318), (147, 2870190), (189, 2232370), (210, 2009133), (245, 1722114), (270, 1562659), (294, 1435095), (315, 1339422), (378, 1116185), (441, 956730), (490, 861057), (630, 669711), (735, 574038), (882, 478365), (945, 446474), (1323, 318910), (1470, 287019), (1890, 223237), (2205, 191346), (2646, 159455), (4410, 95673), (6615, 63782), (13230, 31891)]