7474220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 19051200

約数和(自身を除く): 11576980

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 52, 65, 68, 76, 85, 89, 95, 130, 170, 178, 190, 221, 247, 260, 323, 340, 356, 380, 442, 445, 494, 646, 884, 890, 988, 1105, 1157, 1235, 1292, 1513, 1615, 1691, 1780, 2210, 2314, 2470, 3026, 3230, 3382, 4199, 4420, 4628, 4940, 5785, 6052, 6460, 6764, 7565, 8398, 8455, 11570, 15130, 16796, 16910, 19669, 20995, 21983, 23140, 28747, 30260, 33820, 39338, 41990, 43966, 57494, 78676, 83980, 87932, 98345, 109915, 114988, 143735, 196690, 219830, 287470, 373711, 393380, 439660, 574940, 747422, 1494844, 1868555, 3737110, 7474220]

約数ペア:

[(1, 7474220), (2, 3737110), (4, 1868555), (5, 1494844), (10, 747422), (13, 574940), (17, 439660), (19, 393380), (20, 373711), (26, 287470), (34, 219830), (38, 196690), (52, 143735), (65, 114988), (68, 109915), (76, 98345), (85, 87932), (89, 83980), (95, 78676), (130, 57494), (170, 43966), (178, 41990), (190, 39338), (221, 33820), (247, 30260), (260, 28747), (323, 23140), (340, 21983), (356, 20995), (380, 19669), (442, 16910), (445, 16796), (494, 15130), (646, 11570), (884, 8455), (890, 8398), (988, 7565), (1105, 6764), (1157, 6460), (1235, 6052), (1292, 5785), (1513, 4940), (1615, 4628), (1691, 4420), (1780, 4199), (2210, 3382), (2314, 3230), (2470, 3026)]