161191300

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 360726912

約数和(自身を除く): 199535612

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 73, 100, 142, 146, 284, 292, 311, 355, 365, 622, 710, 730, 1244, 1420, 1460, 1555, 1775, 1825, 3110, 3550, 3650, 5183, 6220, 7100, 7300, 7775, 10366, 15550, 20732, 22081, 22703, 25915, 31100, 44162, 45406, 51830, 88324, 90812, 103660, 110405, 113515, 129575, 220810, 227030, 259150, 441620, 454060, 518300, 552025, 567575, 1104050, 1135150, 1611913, 2208100, 2270300, 3223826, 6447652, 8059565, 16119130, 32238260, 40297825, 80595650, 161191300]

約数ペア:

[(1, 161191300), (2, 80595650), (4, 40297825), (5, 32238260), (10, 16119130), (20, 8059565), (25, 6447652), (50, 3223826), (71, 2270300), (73, 2208100), (100, 1611913), (142, 1135150), (146, 1104050), (284, 567575), (292, 552025), (311, 518300), (355, 454060), (365, 441620), (622, 259150), (710, 227030), (730, 220810), (1244, 129575), (1420, 113515), (1460, 110405), (1555, 103660), (1775, 90812), (1825, 88324), (3110, 51830), (3550, 45406), (3650, 44162), (5183, 31100), (6220, 25915), (7100, 22703), (7300, 22081), (7775, 20732), (10366, 15550)]