149702925220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1\times {\mathrm{340559}}^1$

素因数の和:341308

約数の個数: 48

約数和(自身を含む): 324975974400

約数和(自身を除く): 175273049180

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 709, 1418, 2836, 3545, 7090, 14180, 21979, 43958, 87916, 109895, 219790, 340559, 439580, 681118, 1362236, 1702795, 3405590, 6811180, 10557329, 21114658, 42229316, 52786645, 105573290, 211146580, 241456331, 482912662, 965825324, 1207281655, 2414563310, 4829126620, 7485146261, 14970292522, 29940585044, 37425731305, 74851462610, 149702925220]

約数ペア:

[(1, 149702925220), (2, 74851462610), (4, 37425731305), (5, 29940585044), (10, 14970292522), (20, 7485146261), (31, 4829126620), (62, 2414563310), (124, 1207281655), (155, 965825324), (310, 482912662), (620, 241456331), (709, 211146580), (1418, 105573290), (2836, 52786645), (3545, 42229316), (7090, 21114658), (14180, 10557329), (21979, 6811180), (43958, 3405590), (87916, 1702795), (109895, 1362236), (219790, 681118), (340559, 439580)]