149291940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{355457}}^1$

素因数の和:355476

約数の個数: 48

約数和(自身を含む): 477735552

約数和(自身を除く): 328443612

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, 355457, 710914, 1066371, 1421828, 1777285, 2132742, 2488199, 3554570, 4265484, 4976398, 5331855, 7109140, 7464597, 9952796, 10663710, 12440995, 14929194, 21327420, 24881990, 29858388, 37322985, 49763980, 74645970, 149291940]

約数ペア:

[(1, 149291940), (2, 74645970), (3, 49763980), (4, 37322985), (5, 29858388), (6, 24881990), (7, 21327420), (10, 14929194), (12, 12440995), (14, 10663710), (15, 9952796), (20, 7464597), (21, 7109140), (28, 5331855), (30, 4976398), (35, 4265484), (42, 3554570), (60, 2488199), (70, 2132742), (84, 1777285), (105, 1421828), (140, 1066371), (210, 710914), (420, 355457)]