28928350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 59259600

約数和(自身を除く): 30331250

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 149, 275, 298, 353, 550, 706, 745, 1490, 1639, 1765, 3278, 3530, 3725, 3883, 7450, 7766, 8195, 8825, 16390, 17650, 19415, 38830, 40975, 52597, 81950, 97075, 105194, 194150, 262985, 525970, 578567, 1157134, 1314925, 2629850, 2892835, 5785670, 14464175, 28928350]

約数ペア:

[(1, 28928350), (2, 14464175), (5, 5785670), (10, 2892835), (11, 2629850), (22, 1314925), (25, 1157134), (50, 578567), (55, 525970), (110, 262985), (149, 194150), (275, 105194), (298, 97075), (353, 81950), (550, 52597), (706, 40975), (745, 38830), (1490, 19415), (1639, 17650), (1765, 16390), (3278, 8825), (3530, 8195), (3725, 7766), (3883, 7450)]