420702940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1451}}^1$

素因数の和:1595

約数の個数: 96

約数和(自身を含む): 1073318400

約数和(自身を除く): 652615460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 109, 133, 140, 190, 218, 266, 380, 436, 532, 545, 665, 763, 1090, 1330, 1451, 1526, 2071, 2180, 2660, 2902, 3052, 3815, 4142, 5804, 7255, 7630, 8284, 10157, 10355, 14497, 14510, 15260, 20314, 20710, 27569, 28994, 29020, 40628, 41420, 50785, 55138, 57988, 72485, 101570, 110276, 137845, 144970, 158159, 192983, 203140, 275690, 289940, 316318, 385966, 551380, 632636, 771932, 790795, 964915, 1107113, 1581590, 1929830, 2214226, 3005021, 3163180, 3859660, 4428452, 5535565, 6010042, 11071130, 12020084, 15025105, 21035147, 22142260, 30050210, 42070294, 60100420, 84140588, 105175735, 210351470, 420702940]

約数ペア:

[(1, 420702940), (2, 210351470), (4, 105175735), (5, 84140588), (7, 60100420), (10, 42070294), (14, 30050210), (19, 22142260), (20, 21035147), (28, 15025105), (35, 12020084), (38, 11071130), (70, 6010042), (76, 5535565), (95, 4428452), (109, 3859660), (133, 3163180), (140, 3005021), (190, 2214226), (218, 1929830), (266, 1581590), (380, 1107113), (436, 964915), (532, 790795), (545, 771932), (665, 632636), (763, 551380), (1090, 385966), (1330, 316318), (1451, 289940), (1526, 275690), (2071, 203140), (2180, 192983), (2660, 158159), (2902, 144970), (3052, 137845), (3815, 110276), (4142, 101570), (5804, 72485), (7255, 57988), (7630, 55138), (8284, 50785), (10157, 41420), (10355, 40628), (14497, 29020), (14510, 28994), (15260, 27569), (20314, 20710)]