238877940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2621}}^1$

素因数の和:2678

約数の個数: 144

約数和(自身を含む): 803464704

約数和(自身を除く): 564586764

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1470, 1519, 1860, 2170, 2604, 2621, 2940, 3038, 3255, 4340, 4557, 5242, 6076, 6510, 7595, 7863, 9114, 10484, 13020, 13105, 15190, 15726, 18228, 18347, 22785, 26210, 30380, 31452, 36694, 39315, 45570, 52420, 55041, 73388, 78630, 81251, 91140, 91735, 110082, 128429, 157260, 162502, 183470, 220164, 243753, 256858, 275205, 325004, 366940, 385287, 406255, 487506, 513716, 550410, 568757, 642145, 770574, 812510, 975012, 1100820, 1137514, 1218765, 1284290, 1541148, 1625020, 1706271, 1926435, 2275028, 2437530, 2568580, 2843785, 3412542, 3852870, 3981299, 4875060, 5687570, 6825084, 7705740, 7962598, 8531355, 11375140, 11943897, 15925196, 17062710, 19906495, 23887794, 34125420, 39812990, 47775588, 59719485, 79625980, 119438970, 238877940]

約数ペア:

[(1, 238877940), (2, 119438970), (3, 79625980), (4, 59719485), (5, 47775588), (6, 39812990), (7, 34125420), (10, 23887794), (12, 19906495), (14, 17062710), (15, 15925196), (20, 11943897), (21, 11375140), (28, 8531355), (30, 7962598), (31, 7705740), (35, 6825084), (42, 5687570), (49, 4875060), (60, 3981299), (62, 3852870), (70, 3412542), (84, 2843785), (93, 2568580), (98, 2437530), (105, 2275028), (124, 1926435), (140, 1706271), (147, 1625020), (155, 1541148), (186, 1284290), (196, 1218765), (210, 1137514), (217, 1100820), (245, 975012), (294, 812510), (310, 770574), (372, 642145), (420, 568757), (434, 550410), (465, 513716), (490, 487506), (588, 406255), (620, 385287), (651, 366940), (735, 325004), (868, 275205), (930, 256858), (980, 243753), (1085, 220164), (1302, 183470), (1470, 162502), (1519, 157260), (1860, 128429), (2170, 110082), (2604, 91735), (2621, 91140), (2940, 81251), (3038, 78630), (3255, 73388), (4340, 55041), (4557, 52420), (5242, 45570), (6076, 39315), (6510, 36694), (7595, 31452), (7863, 30380), (9114, 26210), (10484, 22785), (13020, 18347), (13105, 18228), (15190, 15726)]