1245790490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{3853}}^1$

素因数の和:4047

約数の個数: 64

約数和(自身を含む): 2663884800

約数和(自身を除く): 1418094310

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 149, 155, 217, 298, 310, 434, 745, 1043, 1085, 1490, 2086, 2170, 3853, 4619, 5215, 7706, 9238, 10430, 19265, 23095, 26971, 32333, 38530, 46190, 53942, 64666, 119443, 134855, 161665, 238886, 269710, 323330, 574097, 597215, 836101, 1148194, 1194430, 1672202, 2870485, 4018679, 4180505, 5740970, 8037358, 8361010, 17797007, 20093395, 35594014, 40186790, 88985035, 124579049, 177970070, 249158098, 622895245, 1245790490]

約数ペア:

[(1, 1245790490), (2, 622895245), (5, 249158098), (7, 177970070), (10, 124579049), (14, 88985035), (31, 40186790), (35, 35594014), (62, 20093395), (70, 17797007), (149, 8361010), (155, 8037358), (217, 5740970), (298, 4180505), (310, 4018679), (434, 2870485), (745, 1672202), (1043, 1194430), (1085, 1148194), (1490, 836101), (2086, 597215), (2170, 574097), (3853, 323330), (4619, 269710), (5215, 238886), (7706, 161665), (9238, 134855), (10430, 119443), (19265, 64666), (23095, 53942), (26971, 46190), (32333, 38530)]