739448220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{251513}}^1$

素因数の和:251539

約数の個数: 72

約数和(自身を含む): 2408498064

約数和(自身を除く): 1669049844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 251513, 503026, 754539, 1006052, 1257565, 1509078, 1760591, 2515130, 3018156, 3521182, 3772695, 5030260, 5281773, 7042364, 7545390, 8802955, 10563546, 12324137, 15090780, 17605910, 21127092, 24648274, 26408865, 35211820, 36972411, 49296548, 52817730, 61620685, 73944822, 105635460, 123241370, 147889644, 184862055, 246482740, 369724110, 739448220]

約数ペア:

[(1, 739448220), (2, 369724110), (3, 246482740), (4, 184862055), (5, 147889644), (6, 123241370), (7, 105635460), (10, 73944822), (12, 61620685), (14, 52817730), (15, 49296548), (20, 36972411), (21, 35211820), (28, 26408865), (30, 24648274), (35, 21127092), (42, 17605910), (49, 15090780), (60, 12324137), (70, 10563546), (84, 8802955), (98, 7545390), (105, 7042364), (140, 5281773), (147, 5030260), (196, 3772695), (210, 3521182), (245, 3018156), (294, 2515130), (420, 1760591), (490, 1509078), (588, 1257565), (735, 1006052), (980, 754539), (1470, 503026), (2940, 251513)]