31229940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{74357}}^1$

素因数の和:74376

約数の個数: 48

約数和(自身を含む): 99937152

約数和(自身を除く): 68707212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 74357, 148714, 223071, 297428, 371785, 446142, 520499, 743570, 892284, 1040998, 1115355, 1487140, 1561497, 2081996, 2230710, 2602495, 3122994, 4461420, 5204990, 6245988, 7807485, 10409980, 15614970, 31229940]

約数ペア:

[(1, 31229940), (2, 15614970), (3, 10409980), (4, 7807485), (5, 6245988), (6, 5204990), (7, 4461420), (10, 3122994), (12, 2602495), (14, 2230710), (15, 2081996), (20, 1561497), (21, 1487140), (28, 1115355), (30, 1040998), (35, 892284), (42, 743570), (60, 520499), (70, 446142), (84, 371785), (105, 297428), (140, 223071), (210, 148714), (420, 74357)]