949768840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1\times {\mathrm{619}}^1$

素因数の和:1150

約数の個数: 64

約数和(自身を含む): 2169504000

約数和(自身を除く): 1219735160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 431, 445, 619, 712, 862, 890, 1238, 1724, 1780, 2155, 2476, 3095, 3448, 3560, 4310, 4952, 6190, 8620, 12380, 17240, 24760, 38359, 55091, 76718, 110182, 153436, 191795, 220364, 266789, 275455, 306872, 383590, 440728, 533578, 550910, 767180, 1067156, 1101820, 1333945, 1534360, 2134312, 2203640, 2667890, 5335780, 10671560, 23744221, 47488442, 94976884, 118721105, 189953768, 237442210, 474884420, 949768840]

約数ペア:

[(1, 949768840), (2, 474884420), (4, 237442210), (5, 189953768), (8, 118721105), (10, 94976884), (20, 47488442), (40, 23744221), (89, 10671560), (178, 5335780), (356, 2667890), (431, 2203640), (445, 2134312), (619, 1534360), (712, 1333945), (862, 1101820), (890, 1067156), (1238, 767180), (1724, 550910), (1780, 533578), (2155, 440728), (2476, 383590), (3095, 306872), (3448, 275455), (3560, 266789), (4310, 220364), (4952, 191795), (6190, 153436), (8620, 110182), (12380, 76718), (17240, 55091), (24760, 38359)]