139396590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{25391}}^1$

素因数の和:25465

約数の個数: 48

約数和(自身を含む): 368387136

約数和(自身を除く): 228990546

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 5490, 25391, 50782, 76173, 126955, 152346, 228519, 253910, 380865, 457038, 761730, 1142595, 1548851, 2285190, 3097702, 4646553, 7744255, 9293106, 13939659, 15488510, 23232765, 27879318, 46465530, 69698295, 139396590]

約数ペア:

[(1, 139396590), (2, 69698295), (3, 46465530), (5, 27879318), (6, 23232765), (9, 15488510), (10, 13939659), (15, 9293106), (18, 7744255), (30, 4646553), (45, 3097702), (61, 2285190), (90, 1548851), (122, 1142595), (183, 761730), (305, 457038), (366, 380865), (549, 253910), (610, 228519), (915, 152346), (1098, 126955), (1830, 76173), (2745, 50782), (5490, 25391)]