188781340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{2377}}^1$

素因数の和:2435

約数の個数: 72

約数和(自身を含む): 456633072

約数和(自身を除く): 267851732

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 361, 380, 418, 722, 836, 1045, 1444, 1805, 2090, 2377, 3610, 3971, 4180, 4754, 7220, 7942, 9508, 11885, 15884, 19855, 23770, 26147, 39710, 45163, 47540, 52294, 79420, 90326, 104588, 130735, 180652, 225815, 261470, 451630, 496793, 522940, 858097, 903260, 993586, 1716194, 1987172, 2483965, 3432388, 4290485, 4967930, 8580970, 9439067, 9935860, 17161940, 18878134, 37756268, 47195335, 94390670, 188781340]

約数ペア:

[(1, 188781340), (2, 94390670), (4, 47195335), (5, 37756268), (10, 18878134), (11, 17161940), (19, 9935860), (20, 9439067), (22, 8580970), (38, 4967930), (44, 4290485), (55, 3432388), (76, 2483965), (95, 1987172), (110, 1716194), (190, 993586), (209, 903260), (220, 858097), (361, 522940), (380, 496793), (418, 451630), (722, 261470), (836, 225815), (1045, 180652), (1444, 130735), (1805, 104588), (2090, 90326), (2377, 79420), (3610, 52294), (3971, 47540), (4180, 45163), (4754, 39710), (7220, 26147), (7942, 23770), (9508, 19855), (11885, 15884)]