197257340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 512354304

約数和(自身を除く): 315096964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 43, 49, 62, 70, 86, 98, 124, 140, 151, 155, 172, 196, 215, 217, 245, 301, 302, 310, 430, 434, 490, 602, 604, 620, 755, 860, 868, 980, 1057, 1085, 1204, 1333, 1505, 1510, 1519, 2107, 2114, 2170, 2666, 3010, 3020, 3038, 4214, 4228, 4340, 4681, 5285, 5332, 6020, 6076, 6493, 6665, 7399, 7595, 8428, 9331, 9362, 10535, 10570, 12986, 13330, 14798, 15190, 18662, 18724, 21070, 21140, 23405, 25972, 26660, 29596, 30380, 32465, 32767, 36995, 37324, 42140, 45451, 46655, 46810, 64930, 65317, 65534, 73990, 90902, 93310, 93620, 129860, 130634, 131068, 147980, 163835, 181804, 186620, 201283, 227255, 229369, 261268, 318157, 326585, 327670, 402566, 454510, 458738, 636314, 653170, 655340, 805132, 909020, 917476, 1006415, 1146845, 1272628, 1306340, 1408981, 1590785, 2012830, 2293690, 2817962, 3181570, 4025660, 4587380, 5635924, 6363140, 7044905, 9862867, 14089810, 19725734, 28179620, 39451468, 49314335, 98628670, 197257340]

約数ペア:

[(1, 197257340), (2, 98628670), (4, 49314335), (5, 39451468), (7, 28179620), (10, 19725734), (14, 14089810), (20, 9862867), (28, 7044905), (31, 6363140), (35, 5635924), (43, 4587380), (49, 4025660), (62, 3181570), (70, 2817962), (86, 2293690), (98, 2012830), (124, 1590785), (140, 1408981), (151, 1306340), (155, 1272628), (172, 1146845), (196, 1006415), (215, 917476), (217, 909020), (245, 805132), (301, 655340), (302, 653170), (310, 636314), (430, 458738), (434, 454510), (490, 402566), (602, 327670), (604, 326585), (620, 318157), (755, 261268), (860, 229369), (868, 227255), (980, 201283), (1057, 186620), (1085, 181804), (1204, 163835), (1333, 147980), (1505, 131068), (1510, 130634), (1519, 129860), (2107, 93620), (2114, 93310), (2170, 90902), (2666, 73990), (3010, 65534), (3020, 65317), (3038, 64930), (4214, 46810), (4228, 46655), (4340, 45451), (4681, 42140), (5285, 37324), (5332, 36995), (6020, 32767), (6076, 32465), (6493, 30380), (6665, 29596), (7399, 26660), (7595, 25972), (8428, 23405), (9331, 21140), (9362, 21070), (10535, 18724), (10570, 18662), (12986, 15190), (13330, 14798)]