1285451700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{329603}}^1$

素因数の和:329633

約数の個数: 72

約数和(自身を含む): 4005347808

約数和(自身を除く): 2719896108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 329603, 659206, 988809, 1318412, 1648015, 1977618, 3296030, 3955236, 4284839, 4944045, 6592060, 8240075, 8569678, 9888090, 12854517, 16480150, 17139356, 19776180, 21424195, 24720225, 25709034, 32960300, 42848390, 49440450, 51418068, 64272585, 85696780, 98880900, 107120975, 128545170, 214241950, 257090340, 321362925, 428483900, 642725850, 1285451700]

約数ペア:

[(1, 1285451700), (2, 642725850), (3, 428483900), (4, 321362925), (5, 257090340), (6, 214241950), (10, 128545170), (12, 107120975), (13, 98880900), (15, 85696780), (20, 64272585), (25, 51418068), (26, 49440450), (30, 42848390), (39, 32960300), (50, 25709034), (52, 24720225), (60, 21424195), (65, 19776180), (75, 17139356), (78, 16480150), (100, 12854517), (130, 9888090), (150, 8569678), (156, 8240075), (195, 6592060), (260, 4944045), (300, 4284839), (325, 3955236), (390, 3296030), (650, 1977618), (780, 1648015), (975, 1318412), (1300, 988809), (1950, 659206), (3900, 329603)]