201802380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{258721}}^1$

素因数の和:258746

約数の個数: 48

約数和(自身を含む): 608514144

約数和(自身を除く): 406711764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 258721, 517442, 776163, 1034884, 1293605, 1552326, 2587210, 3104652, 3363373, 3880815, 5174420, 6726746, 7761630, 10090119, 13453492, 15523260, 16816865, 20180238, 33633730, 40360476, 50450595, 67267460, 100901190, 201802380]

約数ペア:

[(1, 201802380), (2, 100901190), (3, 67267460), (4, 50450595), (5, 40360476), (6, 33633730), (10, 20180238), (12, 16816865), (13, 15523260), (15, 13453492), (20, 10090119), (26, 7761630), (30, 6726746), (39, 5174420), (52, 3880815), (60, 3363373), (65, 3104652), (78, 2587210), (130, 1552326), (156, 1293605), (195, 1034884), (260, 776163), (390, 517442), (780, 258721)]