247788580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:557

約数の個数: 96

約数和(自身を含む): 587962368

約数和(自身を除く): 340173788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 71, 124, 130, 142, 155, 260, 284, 310, 355, 403, 433, 620, 710, 806, 866, 923, 1420, 1612, 1732, 1846, 2015, 2165, 2201, 3692, 4030, 4330, 4402, 4615, 5629, 8060, 8660, 8804, 9230, 11005, 11258, 13423, 18460, 22010, 22516, 26846, 28145, 28613, 30743, 44020, 53692, 56290, 57226, 61486, 67115, 112580, 114452, 122972, 134230, 143065, 153715, 174499, 268460, 286130, 307430, 348998, 399659, 572260, 614860, 697996, 799318, 872495, 953033, 1598636, 1744990, 1906066, 1998295, 3489980, 3812132, 3996590, 4765165, 7993180, 9530330, 12389429, 19060660, 24778858, 49557716, 61947145, 123894290, 247788580]

約数ペア:

[(1, 247788580), (2, 123894290), (4, 61947145), (5, 49557716), (10, 24778858), (13, 19060660), (20, 12389429), (26, 9530330), (31, 7993180), (52, 4765165), (62, 3996590), (65, 3812132), (71, 3489980), (124, 1998295), (130, 1906066), (142, 1744990), (155, 1598636), (260, 953033), (284, 872495), (310, 799318), (355, 697996), (403, 614860), (433, 572260), (620, 399659), (710, 348998), (806, 307430), (866, 286130), (923, 268460), (1420, 174499), (1612, 153715), (1732, 143065), (1846, 134230), (2015, 122972), (2165, 114452), (2201, 112580), (3692, 67115), (4030, 61486), (4330, 57226), (4402, 56290), (4615, 53692), (5629, 44020), (8060, 30743), (8660, 28613), (8804, 28145), (9230, 26846), (11005, 22516), (11258, 22010), (13423, 18460)]